Home / 170,427,805.90-255,641,708.85-105,804,580.30

Finding the Fourth Proportional to 170,427,805.90, 255,641,708.85 and 105,804,580.30

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Solution

The fourth proportional to 170,427,805.90, 255,641,708.85 and 105,804,580.30 is: 158,706,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,427,805.90 : 255,641,708.85 = 105,804,580.30 : x
  2. Step 2: Convert to fraction form
    170,427,805.90/255,641,708.85 = 105,804,580.30/x
  3. Step 3: Cross multiply
    170,427,805.90x = 255,641,708.85 × 105,804,580.30
  4. Step 4: Simplify right side
    170,427,805.90x = 27,048,063,712,049,044
  5. Step 5: Solve for x
    x = 27,048,063,712,049,044/170,427,805.90
  6. Step 6: Final answer
    x = 158,706,870.45

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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.