Home / 124,416,095.40-186,624,143.10-76,573,996.20

Finding the Fourth Proportional to 124,416,095.40, 186,624,143.10 and 76,573,996.20

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Solution

The fourth proportional to 124,416,095.40, 186,624,143.10 and 76,573,996.20 is: 114,860,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,095.40 : 186,624,143.10 = 76,573,996.20 : x
  2. Step 2: Convert to fraction form
    124,416,095.40/186,624,143.10 = 76,573,996.20/x
  3. Step 3: Cross multiply
    124,416,095.40x = 186,624,143.10 × 76,573,996.20
  4. Step 4: Simplify right side
    124,416,095.40x = 14,290,556,424,567,656
  5. Step 5: Solve for x
    x = 14,290,556,424,567,656/124,416,095.40
  6. Step 6: Final answer
    x = 114,860,994.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.