Home / 72,001,442.46-99,362,253.93-38,961,691.92

Finding the Fourth Proportional to 72,001,442.46, 99,362,253.93 and 38,961,691.92

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Solution

The fourth proportional to 72,001,442.46, 99,362,253.93 and 38,961,691.92 is: 53,767,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001,442.46 : 99,362,253.93 = 38,961,691.92 : x
  2. Step 2: Convert to fraction form
    72,001,442.46/99,362,253.93 = 38,961,691.92/x
  3. Step 3: Cross multiply
    72,001,442.46x = 99,362,253.93 × 38,961,691.92
  4. Step 4: Simplify right side
    72,001,442.46x = 3,871,321,526,097,469.50
  5. Step 5: Solve for x
    x = 3,871,321,526,097,469.50/72,001,442.46
  6. Step 6: Final answer
    x = 53,767,277.35

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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.