Home / 149,781,663.60-224,672,495.40-86,080,671.60

Finding the Fourth Proportional to 149,781,663.60, 224,672,495.40 and 86,080,671.60

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Solution

The fourth proportional to 149,781,663.60, 224,672,495.40 and 86,080,671.60 is: 129,121,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,781,663.60 : 224,672,495.40 = 86,080,671.60 : x
  2. Step 2: Convert to fraction form
    149,781,663.60/224,672,495.40 = 86,080,671.60/x
  3. Step 3: Cross multiply
    149,781,663.60x = 224,672,495.40 × 86,080,671.60
  4. Step 4: Simplify right side
    149,781,663.60x = 19,339,959,294,079,908
  5. Step 5: Solve for x
    x = 19,339,959,294,079,908/149,781,663.60
  6. Step 6: Final answer
    x = 129,121,007.40

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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.