Home / 130,247,487.90-179,741,886.98-71,513,957.25

Finding the Fourth Proportional to 130,247,487.90, 179,741,886.98 and 71,513,957.25

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Solution

The fourth proportional to 130,247,487.90, 179,741,886.98 and 71,513,957.25 is: 98,689,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,247,487.90 : 179,741,886.98 = 71,513,957.25 : x
  2. Step 2: Convert to fraction form
    130,247,487.90/179,741,886.98 = 71,513,957.25/x
  3. Step 3: Cross multiply
    130,247,487.90x = 179,741,886.98 × 71,513,957.25
  4. Step 4: Simplify right side
    130,247,487.90x = 12,854,053,621,164,482
  5. Step 5: Solve for x
    x = 12,854,053,621,164,482/130,247,487.90
  6. Step 6: Final answer
    x = 98,689,455.19

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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.