Home / 124,475,143.59-171,616,010.37-102,065,566.95

Finding the Fourth Proportional to 124,475,143.59, 171,616,010.37 and 102,065,566.95

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Solution

The fourth proportional to 124,475,143.59, 171,616,010.37 and 102,065,566.95 is: 140,719,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,475,143.59 : 171,616,010.37 = 102,065,566.95 : x
  2. Step 2: Convert to fraction form
    124,475,143.59/171,616,010.37 = 102,065,566.95/x
  3. Step 3: Cross multiply
    124,475,143.59x = 171,616,010.37 × 102,065,566.95
  4. Step 4: Simplify right side
    124,475,143.59x = 17,516,085,396,111,130
  5. Step 5: Solve for x
    x = 17,516,085,396,111,130/124,475,143.59
  6. Step 6: Final answer
    x = 140,719,543.60

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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.