Home / 127,253,111,966.73-190,899,281,113.13-43,387,230,161.69

Finding the Fourth Proportional to 127,253,111,966.73, 190,899,281,113.13 and 43,387,230,161.69

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Solution

The fourth proportional to 127,253,111,966.73, 190,899,281,113.13 and 43,387,230,161.69 is: 65,087,532,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,253,111,966.73 : 190,899,281,113.13 = 43,387,230,161.69 : x
  2. Step 2: Convert to fraction form
    127,253,111,966.73/190,899,281,113.13 = 43,387,230,161.69/x
  3. Step 3: Cross multiply
    127,253,111,966.73x = 190,899,281,113.13 × 43,387,230,161.69
  4. Step 4: Simplify right side
    127,253,111,966.73x = 8,282,591,047,356,533,178,368
  5. Step 5: Solve for x
    x = 8,282,591,047,356,533,178,368/127,253,111,966.73
  6. Step 6: Final answer
    x = 65,087,532,393.88

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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.