Home / 82,912,103.40-124,368,155.10-39,759,094.20

Finding the Fourth Proportional to 82,912,103.40, 124,368,155.10 and 39,759,094.20

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Solution

The fourth proportional to 82,912,103.40, 124,368,155.10 and 39,759,094.20 is: 59,638,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,103.40 : 124,368,155.10 = 39,759,094.20 : x
  2. Step 2: Convert to fraction form
    82,912,103.40/124,368,155.10 = 39,759,094.20/x
  3. Step 3: Cross multiply
    82,912,103.40x = 124,368,155.10 × 39,759,094.20
  4. Step 4: Simplify right side
    82,912,103.40x = 4,944,765,194,101,111
  5. Step 5: Solve for x
    x = 4,944,765,194,101,111/82,912,103.40
  6. Step 6: Final answer
    x = 59,638,641.30

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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.