Home / 292,473,702.53-438,710,527.15-128,711,459.03

Finding the Fourth Proportional to 292,473,702.53, 438,710,527.15 and 128,711,459.03

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Solution

The fourth proportional to 292,473,702.53, 438,710,527.15 and 128,711,459.03 is: 193,067,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,473,702.53 : 438,710,527.15 = 128,711,459.03 : x
  2. Step 2: Convert to fraction form
    292,473,702.53/438,710,527.15 = 128,711,459.03/x
  3. Step 3: Cross multiply
    292,473,702.53x = 438,710,527.15 × 128,711,459.03
  4. Step 4: Simplify right side
    292,473,702.53x = 56,467,072,042,071,920
  5. Step 5: Solve for x
    x = 56,467,072,042,071,920/292,473,702.53
  6. Step 6: Final answer
    x = 193,067,176.83

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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.