Home / 124,200,798.71-171,397,776.72-71,273,292.11

Finding the Fourth Proportional to 124,200,798.71, 171,397,776.72 and 71,273,292.11

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Solution

The fourth proportional to 124,200,798.71, 171,397,776.72 and 71,273,292.11 is: 98,357,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,200,798.71 : 171,397,776.72 = 71,273,292.11 : x
  2. Step 2: Convert to fraction form
    124,200,798.71/171,397,776.72 = 71,273,292.11/x
  3. Step 3: Cross multiply
    124,200,798.71x = 171,397,776.72 × 71,273,292.11
  4. Step 4: Simplify right side
    124,200,798.71x = 12,216,083,806,312,130
  5. Step 5: Solve for x
    x = 12,216,083,806,312,130/124,200,798.71
  6. Step 6: Final answer
    x = 98,357,530.17

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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.