Home / 78,885,693.82-118,341,255.74-24,298,253.95

Finding the Fourth Proportional to 78,885,693.82, 118,341,255.74 and 24,298,253.95

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Solution

The fourth proportional to 78,885,693.82, 118,341,255.74 and 24,298,253.95 is: 36,451,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,885,693.82 : 118,341,255.74 = 24,298,253.95 : x
  2. Step 2: Convert to fraction form
    78,885,693.82/118,341,255.74 = 24,298,253.95/x
  3. Step 3: Cross multiply
    78,885,693.82x = 118,341,255.74 × 24,298,253.95
  4. Step 4: Simplify right side
    78,885,693.82x = 2,875,485,884,732,415
  5. Step 5: Solve for x
    x = 2,875,485,884,732,415/78,885,693.82
  6. Step 6: Final answer
    x = 36,451,297.38

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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.