Home / 265,700,032.97-398,523,140.57-71,631,065.79

Finding the Fourth Proportional to 265,700,032.97, 398,523,140.57 and 71,631,065.79

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Solution

The fourth proportional to 265,700,032.97, 398,523,140.57 and 71,631,065.79 is: 107,439,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700,032.97 : 398,523,140.57 = 71,631,065.79 : x
  2. Step 2: Convert to fraction form
    265,700,032.97/398,523,140.57 = 71,631,065.79/x
  3. Step 3: Cross multiply
    265,700,032.97x = 398,523,140.57 × 71,631,065.79
  4. Step 4: Simplify right side
    265,700,032.97x = 28,546,637,300,648,936
  5. Step 5: Solve for x
    x = 28,546,637,300,648,936/265,700,032.97
  6. Step 6: Final answer
    x = 107,439,344.22

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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.