Home / 153,605,779.70-230,488,385.70-67,352,905.40

Finding the Fourth Proportional to 153,605,779.70, 230,488,385.70 and 67,352,905.40

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Solution

The fourth proportional to 153,605,779.70, 230,488,385.70 and 67,352,905.40 is: 101,064,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,605,779.70 : 230,488,385.70 = 67,352,905.40 : x
  2. Step 2: Convert to fraction form
    153,605,779.70/230,488,385.70 = 67,352,905.40/x
  3. Step 3: Cross multiply
    153,605,779.70x = 230,488,385.70 × 67,352,905.40
  4. Step 4: Simplify right side
    153,605,779.70x = 15,524,062,437,850,814
  5. Step 5: Solve for x
    x = 15,524,062,437,850,814/153,605,779.70
  6. Step 6: Final answer
    x = 101,064,311.96

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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.