Home / 112,389,987.70-155,099,335.98-62,833,114.45

Finding the Fourth Proportional to 112,389,987.70, 155,099,335.98 and 62,833,114.45

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Solution

The fourth proportional to 112,389,987.70, 155,099,335.98 and 62,833,114.45 is: 86,710,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389,987.70 : 155,099,335.98 = 62,833,114.45 : x
  2. Step 2: Convert to fraction form
    112,389,987.70/155,099,335.98 = 62,833,114.45/x
  3. Step 3: Cross multiply
    112,389,987.70x = 155,099,335.98 × 62,833,114.45
  4. Step 4: Simplify right side
    112,389,987.70x = 9,745,374,328,750,342
  5. Step 5: Solve for x
    x = 9,745,374,328,750,342/112,389,987.70
  6. Step 6: Final answer
    x = 86,710,342.52

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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.