Home / 124,416,908.40-186,625,362.60-76,574,809.20

Finding the Fourth Proportional to 124,416,908.40, 186,625,362.60 and 76,574,809.20

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Solution

The fourth proportional to 124,416,908.40, 186,625,362.60 and 76,574,809.20 is: 114,862,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,908.40 : 186,625,362.60 = 76,574,809.20 : x
  2. Step 2: Convert to fraction form
    124,416,908.40/186,625,362.60 = 76,574,809.20/x
  3. Step 3: Cross multiply
    124,416,908.40x = 186,625,362.60 × 76,574,809.20
  4. Step 4: Simplify right side
    124,416,908.40x = 14,290,801,532,975,816
  5. Step 5: Solve for x
    x = 14,290,801,532,975,816/124,416,908.40
  6. Step 6: Final answer
    x = 114,862,213.80

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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.