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Finding the Fourth Proportional to 97,804,978.90, 146,707,468.35 and 52,455,346.90

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Solution

The fourth proportional to 97,804,978.90, 146,707,468.35 and 52,455,346.90 is: 78,683,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,804,978.90 : 146,707,468.35 = 52,455,346.90 : x
  2. Step 2: Convert to fraction form
    97,804,978.90/146,707,468.35 = 52,455,346.90/x
  3. Step 3: Cross multiply
    97,804,978.90x = 146,707,468.35 × 52,455,346.90
  4. Step 4: Simplify right side
    97,804,978.90x = 7,695,591,145,120,020
  5. Step 5: Solve for x
    x = 7,695,591,145,120,020/97,804,978.90
  6. Step 6: Final answer
    x = 78,683,020.35

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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.