Home / 157,114,052.13-216,824,118.95-87,499,432.95

Finding the Fourth Proportional to 157,114,052.13, 216,824,118.95 and 87,499,432.95

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Solution

The fourth proportional to 157,114,052.13, 216,824,118.95 and 87,499,432.95 is: 120,752,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,114,052.13 : 216,824,118.95 = 87,499,432.95 : x
  2. Step 2: Convert to fraction form
    157,114,052.13/216,824,118.95 = 87,499,432.95/x
  3. Step 3: Cross multiply
    157,114,052.13x = 216,824,118.95 × 87,499,432.95
  4. Step 4: Simplify right side
    157,114,052.13x = 18,971,987,457,570,852
  5. Step 5: Solve for x
    x = 18,971,987,457,570,852/157,114,052.13
  6. Step 6: Final answer
    x = 120,752,963.85

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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.