Home / 63,782,199-88,046,642.12-42,886,343.48

Finding the Fourth Proportional to 63,782,199, 88,046,642.12 and 42,886,343.48

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Solution

The fourth proportional to 63,782,199, 88,046,642.12 and 42,886,343.48 is: 59,201,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,782,199 : 88,046,642.12 = 42,886,343.48 : x
  2. Step 2: Convert to fraction form
    63,782,199/88,046,642.12 = 42,886,343.48/x
  3. Step 3: Cross multiply
    63,782,199x = 88,046,642.12 × 42,886,343.48
  4. Step 4: Simplify right side
    63,782,199x = 3,775,998,535,564,290.50
  5. Step 5: Solve for x
    x = 3,775,998,535,564,290.50/63,782,199
  6. Step 6: Final answer
    x = 59,201,447.97

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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.