Home / 137,901,657.60-206,852,486.40-42,163,545.60

Finding the Fourth Proportional to 137,901,657.60, 206,852,486.40 and 42,163,545.60

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Solution

The fourth proportional to 137,901,657.60, 206,852,486.40 and 42,163,545.60 is: 63,245,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,901,657.60 : 206,852,486.40 = 42,163,545.60 : x
  2. Step 2: Convert to fraction form
    137,901,657.60/206,852,486.40 = 42,163,545.60/x
  3. Step 3: Cross multiply
    137,901,657.60x = 206,852,486.40 × 42,163,545.60
  4. Step 4: Simplify right side
    137,901,657.60x = 8,721,634,242,799,780
  5. Step 5: Solve for x
    x = 8,721,634,242,799,780/137,901,657.60
  6. Step 6: Final answer
    x = 63,245,318.40

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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.