Home / 162,931,246.80-244,680,305.40-86,403,742.80

Finding the Fourth Proportional to 162,931,246.80, 244,680,305.40 and 86,403,742.80

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Solution

The fourth proportional to 162,931,246.80, 244,680,305.40 and 86,403,742.80 is: 129,755,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,931,246.80 : 244,680,305.40 = 86,403,742.80 : x
  2. Step 2: Convert to fraction form
    162,931,246.80/244,680,305.40 = 86,403,742.80/x
  3. Step 3: Cross multiply
    162,931,246.80x = 244,680,305.40 × 86,403,742.80
  4. Step 4: Simplify right side
    162,931,246.80x = 21,141,294,176,007,052
  5. Step 5: Solve for x
    x = 21,141,294,176,007,052/162,931,246.80
  6. Step 6: Final answer
    x = 129,755,922.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.