Home / 112,389,988.70-155,099,337.36-62,833,115.45

Finding the Fourth Proportional to 112,389,988.70, 155,099,337.36 and 62,833,115.45

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Solution

The fourth proportional to 112,389,988.70, 155,099,337.36 and 62,833,115.45 is: 86,710,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389,988.70 : 155,099,337.36 = 62,833,115.45 : x
  2. Step 2: Convert to fraction form
    112,389,988.70/155,099,337.36 = 62,833,115.45/x
  3. Step 3: Cross multiply
    112,389,988.70x = 155,099,337.36 × 62,833,115.45
  4. Step 4: Simplify right side
    112,389,988.70x = 9,745,374,570,559,380
  5. Step 5: Solve for x
    x = 9,745,374,570,559,380/112,389,988.70
  6. Step 6: Final answer
    x = 86,710,343.90

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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.