Home / 77,670,715.59-107,225,886.72-56,739,244.77

Finding the Fourth Proportional to 77,670,715.59, 107,225,886.72 and 56,739,244.77

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Solution

The fourth proportional to 77,670,715.59, 107,225,886.72 and 56,739,244.77 is: 78,329,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,670,715.59 : 107,225,886.72 = 56,739,244.77 : x
  2. Step 2: Convert to fraction form
    77,670,715.59/107,225,886.72 = 56,739,244.77/x
  3. Step 3: Cross multiply
    77,670,715.59x = 107,225,886.72 × 56,739,244.77
  4. Step 4: Simplify right side
    77,670,715.59x = 6,083,915,832,286,373
  5. Step 5: Solve for x
    x = 6,083,915,832,286,373/77,670,715.59
  6. Step 6: Final answer
    x = 78,329,596.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.