Home / 97,086,670.70-145,630,006.05-87,344,897.90

Finding the Fourth Proportional to 97,086,670.70, 145,630,006.05 and 87,344,897.90

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Solution

The fourth proportional to 97,086,670.70, 145,630,006.05 and 87,344,897.90 is: 131,017,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086,670.70 : 145,630,006.05 = 87,344,897.90 : x
  2. Step 2: Convert to fraction form
    97,086,670.70/145,630,006.05 = 87,344,897.90/x
  3. Step 3: Cross multiply
    97,086,670.70x = 145,630,006.05 × 87,344,897.90
  4. Step 4: Simplify right side
    97,086,670.70x = 12,720,038,009,613,634
  5. Step 5: Solve for x
    x = 12,720,038,009,613,634/97,086,670.70
  6. Step 6: Final answer
    x = 131,017,346.85

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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.