Home / 149,785,645.60-224,678,468.40-85,064,442.40

Finding the Fourth Proportional to 149,785,645.60, 224,678,468.40 and 85,064,442.40

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Solution

The fourth proportional to 149,785,645.60, 224,678,468.40 and 85,064,442.40 is: 127,596,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,785,645.60 : 224,678,468.40 = 85,064,442.40 : x
  2. Step 2: Convert to fraction form
    149,785,645.60/224,678,468.40 = 85,064,442.40/x
  3. Step 3: Cross multiply
    149,785,645.60x = 224,678,468.40 × 85,064,442.40
  4. Step 4: Simplify right side
    149,785,645.60x = 19,112,148,633,732,024
  5. Step 5: Solve for x
    x = 19,112,148,633,732,024/149,785,645.60
  6. Step 6: Final answer
    x = 127,596,663.60

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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.