Home / 78,032,605.30-107,684,957.86-46,670,653.74

Finding the Fourth Proportional to 78,032,605.30, 107,684,957.86 and 46,670,653.74

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Solution

The fourth proportional to 78,032,605.30, 107,684,957.86 and 46,670,653.74 is: 64,405,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032,605.30 : 107,684,957.86 = 46,670,653.74 : x
  2. Step 2: Convert to fraction form
    78,032,605.30/107,684,957.86 = 46,670,653.74/x
  3. Step 3: Cross multiply
    78,032,605.30x = 107,684,957.86 × 46,670,653.74
  4. Step 4: Simplify right side
    78,032,605.30x = 5,025,727,381,290,552
  5. Step 5: Solve for x
    x = 5,025,727,381,290,552/78,032,605.30
  6. Step 6: Final answer
    x = 64,405,479.76

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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.