Home / 87,683,497.60-131,525,246.40-42,249,884.80

Finding the Fourth Proportional to 87,683,497.60, 131,525,246.40 and 42,249,884.80

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Solution

The fourth proportional to 87,683,497.60, 131,525,246.40 and 42,249,884.80 is: 63,374,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683,497.60 : 131,525,246.40 = 42,249,884.80 : x
  2. Step 2: Convert to fraction form
    87,683,497.60/131,525,246.40 = 42,249,884.80/x
  3. Step 3: Cross multiply
    87,683,497.60x = 131,525,246.40 × 42,249,884.80
  4. Step 4: Simplify right side
    87,683,497.60x = 5,556,926,508,691,615
  5. Step 5: Solve for x
    x = 5,556,926,508,691,615/87,683,497.60
  6. Step 6: Final answer
    x = 63,374,827.20

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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.