Home / 99,812,029.60-149,774,031.60-42,294,512.80

Finding the Fourth Proportional to 99,812,029.60, 149,774,031.60 and 42,294,512.80

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Solution

The fourth proportional to 99,812,029.60, 149,774,031.60 and 42,294,512.80 is: 63,465,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,812,029.60 : 149,774,031.60 = 42,294,512.80 : x
  2. Step 2: Convert to fraction form
    99,812,029.60/149,774,031.60 = 42,294,512.80/x
  3. Step 3: Cross multiply
    99,812,029.60x = 149,774,031.60 × 42,294,512.80
  4. Step 4: Simplify right side
    99,812,029.60x = 6,334,619,696,613,804
  5. Step 5: Solve for x
    x = 6,334,619,696,613,804/99,812,029.60
  6. Step 6: Final answer
    x = 63,465,493.31

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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.