Home / 140,451,251.40-210,676,877.10-123,445,139.40

Finding the Fourth Proportional to 140,451,251.40, 210,676,877.10 and 123,445,139.40

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Solution

The fourth proportional to 140,451,251.40, 210,676,877.10 and 123,445,139.40 is: 185,167,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,451,251.40 : 210,676,877.10 = 123,445,139.40 : x
  2. Step 2: Convert to fraction form
    140,451,251.40/210,676,877.10 = 123,445,139.40/x
  3. Step 3: Cross multiply
    140,451,251.40x = 210,676,877.10 × 123,445,139.40
  4. Step 4: Simplify right side
    140,451,251.40x = 26,007,036,461,966,168
  5. Step 5: Solve for x
    x = 26,007,036,461,966,168/140,451,251.40
  6. Step 6: Final answer
    x = 185,167,709.10

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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.