Home / 140,454,025.20-210,681,037.80-75,724,511.40

Finding the Fourth Proportional to 140,454,025.20, 210,681,037.80 and 75,724,511.40

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Solution

The fourth proportional to 140,454,025.20, 210,681,037.80 and 75,724,511.40 is: 113,586,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454,025.20 : 210,681,037.80 = 75,724,511.40 : x
  2. Step 2: Convert to fraction form
    140,454,025.20/210,681,037.80 = 75,724,511.40/x
  3. Step 3: Cross multiply
    140,454,025.20x = 210,681,037.80 × 75,724,511.40
  4. Step 4: Simplify right side
    140,454,025.20x = 15,953,718,648,649,934
  5. Step 5: Solve for x
    x = 15,953,718,648,649,934/140,454,025.20
  6. Step 6: Final answer
    x = 113,586,767.10

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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.