Home / 145,846,045.80-218,475,135.90-91,090,564.20

Finding the Fourth Proportional to 145,846,045.80, 218,475,135.90 and 91,090,564.20

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Solution

The fourth proportional to 145,846,045.80, 218,475,135.90 and 91,090,564.20 is: 136,452,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,846,045.80 : 218,475,135.90 = 91,090,564.20 : x
  2. Step 2: Convert to fraction form
    145,846,045.80/218,475,135.90 = 91,090,564.20/x
  3. Step 3: Cross multiply
    145,846,045.80x = 218,475,135.90 × 91,090,564.20
  4. Step 4: Simplify right side
    145,846,045.80x = 19,901,023,392,802,676
  5. Step 5: Solve for x
    x = 19,901,023,392,802,676/145,846,045.80
  6. Step 6: Final answer
    x = 136,452,265.70

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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.