Home / 89,272,327.64-133,704,616.54-42,618,630.57

Finding the Fourth Proportional to 89,272,327.64, 133,704,616.54 and 42,618,630.57

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Solution

The fourth proportional to 89,272,327.64, 133,704,616.54 and 42,618,630.57 is: 63,830,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,272,327.64 : 133,704,616.54 = 42,618,630.57 : x
  2. Step 2: Convert to fraction form
    89,272,327.64/133,704,616.54 = 42,618,630.57/x
  3. Step 3: Cross multiply
    89,272,327.64x = 133,704,616.54 × 42,618,630.57
  4. Step 4: Simplify right side
    89,272,327.64x = 5,698,307,657,153,249
  5. Step 5: Solve for x
    x = 5,698,307,657,153,249/89,272,327.64
  6. Step 6: Final answer
    x = 63,830,615.92

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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.