Home / 97,131,701.70-145,678,890.15-28,976,616.90

Finding the Fourth Proportional to 97,131,701.70, 145,678,890.15 and 28,976,616.90

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Solution

The fourth proportional to 97,131,701.70, 145,678,890.15 and 28,976,616.90 is: 43,459,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,131,701.70 : 145,678,890.15 = 28,976,616.90 : x
  2. Step 2: Convert to fraction form
    97,131,701.70/145,678,890.15 = 28,976,616.90/x
  3. Step 3: Cross multiply
    97,131,701.70x = 145,678,890.15 × 28,976,616.90
  4. Step 4: Simplify right side
    97,131,701.70x = 4,221,281,390,293,733.50
  5. Step 5: Solve for x
    x = 4,221,281,390,293,733.50/97,131,701.70
  6. Step 6: Final answer
    x = 43,459,357.93

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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.