Home / 129,761,176.53-179,070,124.78-71,023,328.01

Finding the Fourth Proportional to 129,761,176.53, 179,070,124.78 and 71,023,328.01

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Solution

The fourth proportional to 129,761,176.53, 179,070,124.78 and 71,023,328.01 is: 98,012,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,761,176.53 : 179,070,124.78 = 71,023,328.01 : x
  2. Step 2: Convert to fraction form
    129,761,176.53/179,070,124.78 = 71,023,328.01/x
  3. Step 3: Cross multiply
    129,761,176.53x = 179,070,124.78 × 71,023,328.01
  4. Step 4: Simplify right side
    129,761,176.53x = 12,718,156,209,130,350
  5. Step 5: Solve for x
    x = 12,718,156,209,130,350/129,761,176.53
  6. Step 6: Final answer
    x = 98,012,029.09

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