Home / 78,713,440.20-118,119,926.70-46,365,280.20

Finding the Fourth Proportional to 78,713,440.20, 118,119,926.70 and 46,365,280.20

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Solution

The fourth proportional to 78,713,440.20, 118,119,926.70 and 46,365,280.20 is: 69,577,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,713,440.20 : 118,119,926.70 = 46,365,280.20 : x
  2. Step 2: Convert to fraction form
    78,713,440.20/118,119,926.70 = 46,365,280.20/x
  3. Step 3: Cross multiply
    78,713,440.20x = 118,119,926.70 × 46,365,280.20
  4. Step 4: Simplify right side
    78,713,440.20x = 5,476,663,498,648,962
  5. Step 5: Solve for x
    x = 5,476,663,498,648,962/78,713,440.20
  6. Step 6: Final answer
    x = 69,577,234.65

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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.