Home / 147,623,880.30-221,435,820.45-86,149,934.70

Finding the Fourth Proportional to 147,623,880.30, 221,435,820.45 and 86,149,934.70

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Solution

The fourth proportional to 147,623,880.30, 221,435,820.45 and 86,149,934.70 is: 129,224,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,880.30 : 221,435,820.45 = 86,149,934.70 : x
  2. Step 2: Convert to fraction form
    147,623,880.30/221,435,820.45 = 86,149,934.70/x
  3. Step 3: Cross multiply
    147,623,880.30x = 221,435,820.45 × 86,149,934.70
  4. Step 4: Simplify right side
    147,623,880.30x = 19,076,681,472,008,424
  5. Step 5: Solve for x
    x = 19,076,681,472,008,424/147,623,880.30
  6. Step 6: Final answer
    x = 129,224,902.05

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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.