Home / 288,174,086.10-432,261,129.15-72,763,334.10

Finding the Fourth Proportional to 288,174,086.10, 432,261,129.15 and 72,763,334.10

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Solution

The fourth proportional to 288,174,086.10, 432,261,129.15 and 72,763,334.10 is: 109,145,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,174,086.10 : 432,261,129.15 = 72,763,334.10 : x
  2. Step 2: Convert to fraction form
    288,174,086.10/432,261,129.15 = 72,763,334.10/x
  3. Step 3: Cross multiply
    288,174,086.10x = 432,261,129.15 × 72,763,334.10
  4. Step 4: Simplify right side
    288,174,086.10x = 31,452,760,958,784,696
  5. Step 5: Solve for x
    x = 31,452,760,958,784,696/288,174,086.10
  6. Step 6: Final answer
    x = 109,145,001.15

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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.