Home / 103,286,575.48-142,532,358.96-56,877,079.48

Finding the Fourth Proportional to 103,286,575.48, 142,532,358.96 and 56,877,079.48

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Solution

The fourth proportional to 103,286,575.48, 142,532,358.96 and 56,877,079.48 is: 78,488,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,286,575.48 : 142,532,358.96 = 56,877,079.48 : x
  2. Step 2: Convert to fraction form
    103,286,575.48/142,532,358.96 = 56,877,079.48/x
  3. Step 3: Cross multiply
    103,286,575.48x = 142,532,358.96 × 56,877,079.48
  4. Step 4: Simplify right side
    103,286,575.48x = 8,106,824,309,039,810
  5. Step 5: Solve for x
    x = 8,106,824,309,039,810/103,286,575.48
  6. Step 6: Final answer
    x = 78,488,654.23

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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.