Home / 124,416,006.40-186,624,009.60-76,573,907.20

Finding the Fourth Proportional to 124,416,006.40, 186,624,009.60 and 76,573,907.20

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Solution

The fourth proportional to 124,416,006.40, 186,624,009.60 and 76,573,907.20 is: 114,860,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,006.40 : 186,624,009.60 = 76,573,907.20 : x
  2. Step 2: Convert to fraction form
    124,416,006.40/186,624,009.60 = 76,573,907.20/x
  3. Step 3: Cross multiply
    124,416,006.40x = 186,624,009.60 × 76,573,907.20
  4. Step 4: Simplify right side
    124,416,006.40x = 14,290,529,592,402,310
  5. Step 5: Solve for x
    x = 14,290,529,592,402,310/124,416,006.40
  6. Step 6: Final answer
    x = 114,860,860.80

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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.