Home / 52,488,004.95-78,732,007.43-45,307,646.55

Finding the Fourth Proportional to 52,488,004.95, 78,732,007.43 and 45,307,646.55

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Solution

The fourth proportional to 52,488,004.95, 78,732,007.43 and 45,307,646.55 is: 67,961,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,004.95 : 78,732,007.43 = 45,307,646.55 : x
  2. Step 2: Convert to fraction form
    52,488,004.95/78,732,007.43 = 45,307,646.55/x
  3. Step 3: Cross multiply
    52,488,004.95x = 78,732,007.43 × 45,307,646.55
  4. Step 4: Simplify right side
    52,488,004.95x = 3,567,161,964,583,875.50
  5. Step 5: Solve for x
    x = 3,567,161,964,583,875.50/52,488,004.95
  6. Step 6: Final answer
    x = 67,961,469.83

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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.