Home / 62,649,643.20-93,974,464.80-45,643,531.20

Finding the Fourth Proportional to 62,649,643.20, 93,974,464.80 and 45,643,531.20

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Solution

The fourth proportional to 62,649,643.20, 93,974,464.80 and 45,643,531.20 is: 68,465,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649,643.20 : 93,974,464.80 = 45,643,531.20 : x
  2. Step 2: Convert to fraction form
    62,649,643.20/93,974,464.80 = 45,643,531.20/x
  3. Step 3: Cross multiply
    62,649,643.20x = 93,974,464.80 × 45,643,531.20
  4. Step 4: Simplify right side
    62,649,643.20x = 4,289,326,416,102,102
  5. Step 5: Solve for x
    x = 4,289,326,416,102,102/62,649,643.20
  6. Step 6: Final answer
    x = 68,465,296.80

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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.