Home / 215,534,459.80-323,301,689.70-147,510,011.80

Finding the Fourth Proportional to 215,534,459.80, 323,301,689.70 and 147,510,011.80

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Solution

The fourth proportional to 215,534,459.80, 323,301,689.70 and 147,510,011.80 is: 221,265,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,534,459.80 : 323,301,689.70 = 147,510,011.80 : x
  2. Step 2: Convert to fraction form
    215,534,459.80/323,301,689.70 = 147,510,011.80/x
  3. Step 3: Cross multiply
    215,534,459.80x = 323,301,689.70 × 147,510,011.80
  4. Step 4: Simplify right side
    215,534,459.80x = 47,690,236,062,606,944
  5. Step 5: Solve for x
    x = 47,690,236,062,606,944/215,534,459.80
  6. Step 6: Final answer
    x = 221,265,017.70

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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.