Home / 128,775,408.92-193,242,565.06-59,675,332.64

Finding the Fourth Proportional to 128,775,408.92, 193,242,565.06 and 59,675,332.64

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Solution

The fourth proportional to 128,775,408.92, 193,242,565.06 and 59,675,332.64 is: 89,549,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,775,408.92 : 193,242,565.06 = 59,675,332.64 : x
  2. Step 2: Convert to fraction form
    128,775,408.92/193,242,565.06 = 59,675,332.64/x
  3. Step 3: Cross multiply
    128,775,408.92x = 193,242,565.06 × 59,675,332.64
  4. Step 4: Simplify right side
    128,775,408.92x = 11,531,814,349,577,616
  5. Step 5: Solve for x
    x = 11,531,814,349,577,616/128,775,408.92
  6. Step 6: Final answer
    x = 89,549,817.36

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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.