Home / 78,653,376.32-117,980,437.67-24,065,874.77

Finding the Fourth Proportional to 78,653,376.32, 117,980,437.67 and 24,065,874.77

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Solution

The fourth proportional to 78,653,376.32, 117,980,437.67 and 24,065,874.77 is: 36,098,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,653,376.32 : 117,980,437.67 = 24,065,874.77 : x
  2. Step 2: Convert to fraction form
    78,653,376.32/117,980,437.67 = 24,065,874.77/x
  3. Step 3: Cross multiply
    78,653,376.32x = 117,980,437.67 × 24,065,874.77
  4. Step 4: Simplify right side
    78,653,376.32x = 2,839,302,438,155,681.50
  5. Step 5: Solve for x
    x = 2,839,302,438,155,681.50/78,653,376.32
  6. Step 6: Final answer
    x = 36,098,926.34

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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.