Home / 90,625,710.80-135,938,566.20-25,931,626.40

Finding the Fourth Proportional to 90,625,710.80, 135,938,566.20 and 25,931,626.40

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Solution

The fourth proportional to 90,625,710.80, 135,938,566.20 and 25,931,626.40 is: 38,897,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,625,710.80 : 135,938,566.20 = 25,931,626.40 : x
  2. Step 2: Convert to fraction form
    90,625,710.80/135,938,566.20 = 25,931,626.40/x
  3. Step 3: Cross multiply
    90,625,710.80x = 135,938,566.20 × 25,931,626.40
  4. Step 4: Simplify right side
    90,625,710.80x = 3,525,108,112,050,067
  5. Step 5: Solve for x
    x = 3,525,108,112,050,067/90,625,710.80
  6. Step 6: Final answer
    x = 38,897,439.60

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1.5x scale

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.