Home / 42,051,282.40-63,088,733.40-20,486,587.60

Finding the Fourth Proportional to 42,051,282.40, 63,088,733.40 and 20,486,587.60

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Solution

The fourth proportional to 42,051,282.40, 63,088,733.40 and 20,486,587.60 is: 30,735,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051,282.40 : 63,088,733.40 = 20,486,587.60 : x
  2. Step 2: Convert to fraction form
    42,051,282.40/63,088,733.40 = 20,486,587.60/x
  3. Step 3: Cross multiply
    42,051,282.40x = 63,088,733.40 × 20,486,587.60
  4. Step 4: Simplify right side
    42,051,282.40x = 1,292,472,863,372,146
  5. Step 5: Solve for x
    x = 1,292,472,863,372,146/42,051,282.40
  6. Step 6: Final answer
    x = 30,735,634.91

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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.