Home / 83,237,640.40-124,806,694.20-42,926,856.40

Finding the Fourth Proportional to 83,237,640.40, 124,806,694.20 and 42,926,856.40

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Solution

The fourth proportional to 83,237,640.40, 124,806,694.20 and 42,926,856.40 is: 64,364,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,237,640.40 : 124,806,694.20 = 42,926,856.40 : x
  2. Step 2: Convert to fraction form
    83,237,640.40/124,806,694.20 = 42,926,856.40/x
  3. Step 3: Cross multiply
    83,237,640.40x = 124,806,694.20 × 42,926,856.40
  4. Step 4: Simplify right side
    83,237,640.40x = 5,357,559,039,682,113
  5. Step 5: Solve for x
    x = 5,357,559,039,682,113/83,237,640.40
  6. Step 6: Final answer
    x = 64,364,619.35

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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.