Home / 115,063,390.08-158,788,019.52-62,853,148.80

Finding the Fourth Proportional to 115,063,390.08, 158,788,019.52 and 62,853,148.80

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Solution

The fourth proportional to 115,063,390.08, 158,788,019.52 and 62,853,148.80 is: 86,737,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,063,390.08 : 158,788,019.52 = 62,853,148.80 : x
  2. Step 2: Convert to fraction form
    115,063,390.08/158,788,019.52 = 62,853,148.80/x
  3. Step 3: Cross multiply
    115,063,390.08x = 158,788,019.52 × 62,853,148.80
  4. Step 4: Simplify right side
    115,063,390.08x = 9,980,327,018,547,864
  5. Step 5: Solve for x
    x = 9,980,327,018,547,864/115,063,390.08
  6. Step 6: Final answer
    x = 86,737,640.98

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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.