Home / 86,095,786,808.10-129,143,680,212.15-84,934,836,228.90

Finding the Fourth Proportional to 86,095,786,808.10, 129,143,680,212.15 and 84,934,836,228.90

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Solution

The fourth proportional to 86,095,786,808.10, 129,143,680,212.15 and 84,934,836,228.90 is: 127,402,254,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,095,786,808.10 : 129,143,680,212.15 = 84,934,836,228.90 : x
  2. Step 2: Convert to fraction form
    86,095,786,808.10/129,143,680,212.15 = 84,934,836,228.90/x
  3. Step 3: Cross multiply
    86,095,786,808.10x = 129,143,680,212.15 × 84,934,836,228.90
  4. Step 4: Simplify right side
    86,095,786,808.10x = 10,968,797,328,816,392,372,224
  5. Step 5: Solve for x
    x = 10,968,797,328,816,392,372,224/86,095,786,808.10
  6. Step 6: Final answer
    x = 127,402,254,343.35

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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.