Home / 130,074,587.68-179,506,226.72-71,339,591.20

Finding the Fourth Proportional to 130,074,587.68, 179,506,226.72 and 71,339,591.20

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Solution

The fourth proportional to 130,074,587.68, 179,506,226.72 and 71,339,591.20 is: 98,450,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,074,587.68 : 179,506,226.72 = 71,339,591.20 : x
  2. Step 2: Convert to fraction form
    130,074,587.68/179,506,226.72 = 71,339,591.20/x
  3. Step 3: Cross multiply
    130,074,587.68x = 179,506,226.72 × 71,339,591.20
  4. Step 4: Simplify right side
    130,074,587.68x = 12,805,900,832,059,318
  5. Step 5: Solve for x
    x = 12,805,900,832,059,318/130,074,587.68
  6. Step 6: Final answer
    x = 98,450,443.40

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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.