Home / 82,716,672.30-124,075,008.45-56,888,639.70

Finding the Fourth Proportional to 82,716,672.30, 124,075,008.45 and 56,888,639.70

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Solution

The fourth proportional to 82,716,672.30, 124,075,008.45 and 56,888,639.70 is: 85,332,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,716,672.30 : 124,075,008.45 = 56,888,639.70 : x
  2. Step 2: Convert to fraction form
    82,716,672.30/124,075,008.45 = 56,888,639.70/x
  3. Step 3: Cross multiply
    82,716,672.30x = 124,075,008.45 × 56,888,639.70
  4. Step 4: Simplify right side
    82,716,672.30x = 7,058,458,451,486,506
  5. Step 5: Solve for x
    x = 7,058,458,451,486,506/82,716,672.30
  6. Step 6: Final answer
    x = 85,332,959.55

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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.