Home / 103,374,418.68-142,663,394.16-59,323,274.28

Finding the Fourth Proportional to 103,374,418.68, 142,663,394.16 and 59,323,274.28

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Solution

The fourth proportional to 103,374,418.68, 142,663,394.16 and 59,323,274.28 is: 81,869,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,374,418.68 : 142,663,394.16 = 59,323,274.28 : x
  2. Step 2: Convert to fraction form
    103,374,418.68/142,663,394.16 = 59,323,274.28/x
  3. Step 3: Cross multiply
    103,374,418.68x = 142,663,394.16 × 59,323,274.28
  4. Step 4: Simplify right side
    103,374,418.68x = 8,463,259,661,469,430
  5. Step 5: Solve for x
    x = 8,463,259,661,469,430/103,374,418.68
  6. Step 6: Final answer
    x = 81,869,961.35

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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.