Home / 90,804,551.90-136,206,827.85-60,413,870.30

Finding the Fourth Proportional to 90,804,551.90, 136,206,827.85 and 60,413,870.30

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Solution

The fourth proportional to 90,804,551.90, 136,206,827.85 and 60,413,870.30 is: 90,620,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,551.90 : 136,206,827.85 = 60,413,870.30 : x
  2. Step 2: Convert to fraction form
    90,804,551.90/136,206,827.85 = 60,413,870.30/x
  3. Step 3: Cross multiply
    90,804,551.90x = 136,206,827.85 × 60,413,870.30
  4. Step 4: Simplify right side
    90,804,551.90x = 8,228,781,631,704,327
  5. Step 5: Solve for x
    x = 8,228,781,631,704,327/90,804,551.90
  6. Step 6: Final answer
    x = 90,620,805.45

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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.