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Finding the Fourth Proportional to 90,739,361,010.90, 136,109,041,516.35 and 90,739,361,010.90

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Solution

The fourth proportional to 90,739,361,010.90, 136,109,041,516.35 and 90,739,361,010.90 is: 136,109,041,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739,361,010.90 : 136,109,041,516.35 = 90,739,361,010.90 : x
  2. Step 2: Convert to fraction form
    90,739,361,010.90/136,109,041,516.35 = 90,739,361,010.90/x
  3. Step 3: Cross multiply
    90,739,361,010.90x = 136,109,041,516.35 × 90,739,361,010.90
  4. Step 4: Simplify right side
    90,739,361,010.90x = 12,350,447,454,999,659,151,360
  5. Step 5: Solve for x
    x = 12,350,447,454,999,659,151,360/90,739,361,010.90
  6. Step 6: Final answer
    x = 136,109,041,516.35

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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.