Home / 133,918,111.52-200,938,946.16-61,157,197.28

Finding the Fourth Proportional to 133,918,111.52, 200,938,946.16 and 61,157,197.28

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Solution

The fourth proportional to 133,918,111.52, 200,938,946.16 and 61,157,197.28 is: 91,764,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,918,111.52 : 200,938,946.16 = 61,157,197.28 : x
  2. Step 2: Convert to fraction form
    133,918,111.52/200,938,946.16 = 61,157,197.28/x
  3. Step 3: Cross multiply
    133,918,111.52x = 200,938,946.16 × 61,157,197.28
  4. Step 4: Simplify right side
    133,918,111.52x = 12,288,862,771,542,418
  5. Step 5: Solve for x
    x = 12,288,862,771,542,418/133,918,111.52
  6. Step 6: Final answer
    x = 91,764,008.86

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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.