Home / 134,564,039.12-185,698,448.20-72,684,377.04

Finding the Fourth Proportional to 134,564,039.12, 185,698,448.20 and 72,684,377.04

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Solution

The fourth proportional to 134,564,039.12, 185,698,448.20 and 72,684,377.04 is: 100,304,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,564,039.12 : 185,698,448.20 = 72,684,377.04 : x
  2. Step 2: Convert to fraction form
    134,564,039.12/185,698,448.20 = 72,684,377.04/x
  3. Step 3: Cross multiply
    134,564,039.12x = 185,698,448.20 × 72,684,377.04
  4. Step 4: Simplify right side
    134,564,039.12x = 13,497,376,024,711,710
  5. Step 5: Solve for x
    x = 13,497,376,024,711,710/134,564,039.12
  6. Step 6: Final answer
    x = 100,304,480.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.