Home / 91,280,637.02-136,936,898.76-40,161,327.24

Finding the Fourth Proportional to 91,280,637.02, 136,936,898.76 and 40,161,327.24

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Solution

The fourth proportional to 91,280,637.02, 136,936,898.76 and 40,161,327.24 is: 60,249,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,280,637.02 : 136,936,898.76 = 40,161,327.24 : x
  2. Step 2: Convert to fraction form
    91,280,637.02/136,936,898.76 = 40,161,327.24/x
  3. Step 3: Cross multiply
    91,280,637.02x = 136,936,898.76 × 40,161,327.24
  4. Step 4: Simplify right side
    91,280,637.02x = 5,499,567,602,331,110
  5. Step 5: Solve for x
    x = 5,499,567,602,331,110/91,280,637.02
  6. Step 6: Final answer
    x = 60,249,005.51

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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.