Home / 90,804,541.90-136,206,812.85-60,413,860.30

Finding the Fourth Proportional to 90,804,541.90, 136,206,812.85 and 60,413,860.30

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Solution

The fourth proportional to 90,804,541.90, 136,206,812.85 and 60,413,860.30 is: 90,620,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,541.90 : 136,206,812.85 = 60,413,860.30 : x
  2. Step 2: Convert to fraction form
    90,804,541.90/136,206,812.85 = 60,413,860.30/x
  3. Step 3: Cross multiply
    90,804,541.90x = 136,206,812.85 × 60,413,860.30
  4. Step 4: Simplify right side
    90,804,541.90x = 8,228,779,363,428,144
  5. Step 5: Solve for x
    x = 8,228,779,363,428,144/90,804,541.90
  6. Step 6: Final answer
    x = 90,620,790.45

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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.