Home / 124,394,179.16-171,726,116.14-77,366,411

Finding the Fourth Proportional to 124,394,179.16, 171,726,116.14 and 77,366,411

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Solution

The fourth proportional to 124,394,179.16, 171,726,116.14 and 77,366,411 is: 106,804,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394,179.16 : 171,726,116.14 = 77,366,411 : x
  2. Step 2: Convert to fraction form
    124,394,179.16/171,726,116.14 = 77,366,411/x
  3. Step 3: Cross multiply
    124,394,179.16x = 171,726,116.14 × 77,366,411
  4. Step 4: Simplify right side
    124,394,179.16x = 13,285,833,280,720,972
  5. Step 5: Solve for x
    x = 13,285,833,280,720,972/124,394,179.16
  6. Step 6: Final answer
    x = 106,804,300.41

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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.