Home / 239,851,510.16-330,995,194.72-129,843,223.12

Finding the Fourth Proportional to 239,851,510.16, 330,995,194.72 and 129,843,223.12

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Solution

The fourth proportional to 239,851,510.16, 330,995,194.72 and 129,843,223.12 is: 179,183,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,851,510.16 : 330,995,194.72 = 129,843,223.12 : x
  2. Step 2: Convert to fraction form
    239,851,510.16/330,995,194.72 = 129,843,223.12/x
  3. Step 3: Cross multiply
    239,851,510.16x = 330,995,194.72 × 129,843,223.12
  4. Step 4: Simplify right side
    239,851,510.16x = 42,977,482,919,676,808
  5. Step 5: Solve for x
    x = 42,977,482,919,676,808/239,851,510.16
  6. Step 6: Final answer
    x = 179,183,707.83

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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.