Home / 124,585,051.82-171,922,167.50-71,657,734.46

Finding the Fourth Proportional to 124,585,051.82, 171,922,167.50 and 71,657,734.46

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Solution

The fourth proportional to 124,585,051.82, 171,922,167.50 and 71,657,734.46 is: 98,884,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,585,051.82 : 171,922,167.50 = 71,657,734.46 : x
  2. Step 2: Convert to fraction form
    124,585,051.82/171,922,167.50 = 71,657,734.46/x
  3. Step 3: Cross multiply
    124,585,051.82x = 171,922,167.50 × 71,657,734.46
  4. Step 4: Simplify right side
    124,585,051.82x = 12,319,553,026,502,640
  5. Step 5: Solve for x
    x = 12,319,553,026,502,640/124,585,051.82
  6. Step 6: Final answer
    x = 98,884,680.36

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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.