Home / 72,039,444.93-99,581,981.72-64,275,903.86

Finding the Fourth Proportional to 72,039,444.93, 99,581,981.72 and 64,275,903.86

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Solution

The fourth proportional to 72,039,444.93, 99,581,981.72 and 64,275,903.86 is: 88,850,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,039,444.93 : 99,581,981.72 = 64,275,903.86 : x
  2. Step 2: Convert to fraction form
    72,039,444.93/99,581,981.72 = 64,275,903.86/x
  3. Step 3: Cross multiply
    72,039,444.93x = 99,581,981.72 × 64,275,903.86
  4. Step 4: Simplify right side
    72,039,444.93x = 6,400,721,882,403,708
  5. Step 5: Solve for x
    x = 6,400,721,882,403,708/72,039,444.93
  6. Step 6: Final answer
    x = 88,850,238.76

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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.