Home / 124,700,145.40-187,050,218.10-121,511,499.40

Finding the Fourth Proportional to 124,700,145.40, 187,050,218.10 and 121,511,499.40

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Solution

The fourth proportional to 124,700,145.40, 187,050,218.10 and 121,511,499.40 is: 182,267,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700,145.40 : 187,050,218.10 = 121,511,499.40 : x
  2. Step 2: Convert to fraction form
    124,700,145.40/187,050,218.10 = 121,511,499.40/x
  3. Step 3: Cross multiply
    124,700,145.40x = 187,050,218.10 × 121,511,499.40
  4. Step 4: Simplify right side
    124,700,145.40x = 22,728,752,464,428,020
  5. Step 5: Solve for x
    x = 22,728,752,464,428,020/124,700,145.40
  6. Step 6: Final answer
    x = 182,267,249.10

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1.5x scale

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.