Home / 131,841,650.40-197,846,456.40-77,254,130.40

Finding the Fourth Proportional to 131,841,650.40, 197,846,456.40 and 77,254,130.40

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Solution

The fourth proportional to 131,841,650.40, 197,846,456.40 and 77,254,130.40 is: 115,930,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,841,650.40 : 197,846,456.40 = 77,254,130.40 : x
  2. Step 2: Convert to fraction form
    131,841,650.40/197,846,456.40 = 77,254,130.40/x
  3. Step 3: Cross multiply
    131,841,650.40x = 197,846,456.40 × 77,254,130.40
  4. Step 4: Simplify right side
    131,841,650.40x = 15,284,455,941,903,516
  5. Step 5: Solve for x
    x = 15,284,455,941,903,516/131,841,650.40
  6. Step 6: Final answer
    x = 115,930,405.12

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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.