Home / 130,990,832,366.60-180,767,347,266.18-70,843,801,449.20

Finding the Fourth Proportional to 130,990,832,366.60, 180,767,347,266.18 and 70,843,801,449.20

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Solution

The fourth proportional to 130,990,832,366.60, 180,767,347,266.18 and 70,843,801,449.20 is: 97,764,445,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,990,832,366.60 : 180,767,347,266.18 = 70,843,801,449.20 : x
  2. Step 2: Convert to fraction form
    130,990,832,366.60/180,767,347,266.18 = 70,843,801,449.20/x
  3. Step 3: Cross multiply
    130,990,832,366.60x = 180,767,347,266.18 × 70,843,801,449.20
  4. Step 4: Simplify right side
    130,990,832,366.60x = 12,806,246,058,223,841,837,056
  5. Step 5: Solve for x
    x = 12,806,246,058,223,841,837,056/130,990,832,366.60
  6. Step 6: Final answer
    x = 97,764,445,242.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.