Home / 86,764,149.38-119,736,729.74-47,605,915.74

Finding the Fourth Proportional to 86,764,149.38, 119,736,729.74 and 47,605,915.74

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Solution

The fourth proportional to 86,764,149.38, 119,736,729.74 and 47,605,915.74 is: 65,697,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,764,149.38 : 119,736,729.74 = 47,605,915.74 : x
  2. Step 2: Convert to fraction form
    86,764,149.38/119,736,729.74 = 47,605,915.74/x
  3. Step 3: Cross multiply
    86,764,149.38x = 119,736,729.74 × 47,605,915.74
  4. Step 4: Simplify right side
    86,764,149.38x = 5,700,176,666,747,563
  5. Step 5: Solve for x
    x = 5,700,176,666,747,563/86,764,149.38
  6. Step 6: Final answer
    x = 65,697,372.80

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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.