Home / 91,214,649.60-136,631,203.20-42,733,881.60

Finding the Fourth Proportional to 91,214,649.60, 136,631,203.20 and 42,733,881.60

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Solution

The fourth proportional to 91,214,649.60, 136,631,203.20 and 42,733,881.60 is: 64,011,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,649.60 : 136,631,203.20 = 42,733,881.60 : x
  2. Step 2: Convert to fraction form
    91,214,649.60/136,631,203.20 = 42,733,881.60/x
  3. Step 3: Cross multiply
    91,214,649.60x = 136,631,203.20 × 42,733,881.60
  4. Step 4: Simplify right side
    91,214,649.60x = 5,838,781,660,414,341
  5. Step 5: Solve for x
    x = 5,838,781,660,414,341/91,214,649.60
  6. Step 6: Final answer
    x = 64,011,446.47

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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.