Home / 415,270,084.80-623,144,275.65-156,670,894.20

Finding the Fourth Proportional to 415,270,084.80, 623,144,275.65 and 156,670,894.20

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Solution

The fourth proportional to 415,270,084.80, 623,144,275.65 and 156,670,894.20 is: 235,096,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,270,084.80 : 623,144,275.65 = 156,670,894.20 : x
  2. Step 2: Convert to fraction form
    415,270,084.80/623,144,275.65 = 156,670,894.20/x
  3. Step 3: Cross multiply
    415,270,084.80x = 623,144,275.65 × 156,670,894.20
  4. Step 4: Simplify right side
    415,270,084.80x = 97,628,570,881,696,768
  5. Step 5: Solve for x
    x = 97,628,570,881,696,768/415,270,084.80
  6. Step 6: Final answer
    x = 235,096,565.96

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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.