Home / 72,774,871.20-108,605,338.34-65,011,327.80

Finding the Fourth Proportional to 72,774,871.20, 108,605,338.34 and 65,011,327.80

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Solution

The fourth proportional to 72,774,871.20, 108,605,338.34 and 65,011,327.80 is: 97,019,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,774,871.20 : 108,605,338.34 = 65,011,327.80 : x
  2. Step 2: Convert to fraction form
    72,774,871.20/108,605,338.34 = 65,011,327.80/x
  3. Step 3: Cross multiply
    72,774,871.20x = 108,605,338.34 × 65,011,327.80
  4. Step 4: Simplify right side
    72,774,871.20x = 7,060,577,251,326,590
  5. Step 5: Solve for x
    x = 7,060,577,251,326,590/72,774,871.20
  6. Step 6: Final answer
    x = 97,019,440.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.