Home / 103,623,616.60-155,435,424.90-31,810,701.40

Finding the Fourth Proportional to 103,623,616.60, 155,435,424.90 and 31,810,701.40

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Solution

The fourth proportional to 103,623,616.60, 155,435,424.90 and 31,810,701.40 is: 47,716,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623,616.60 : 155,435,424.90 = 31,810,701.40 : x
  2. Step 2: Convert to fraction form
    103,623,616.60/155,435,424.90 = 31,810,701.40/x
  3. Step 3: Cross multiply
    103,623,616.60x = 155,435,424.90 × 31,810,701.40
  4. Step 4: Simplify right side
    103,623,616.60x = 4,944,509,888,476,025
  5. Step 5: Solve for x
    x = 4,944,509,888,476,025/103,623,616.60
  6. Step 6: Final answer
    x = 47,716,052.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.