Home / 113,490,816,999.12-156,591,344,256.30-67,756,191,422.40

Finding the Fourth Proportional to 113,490,816,999.12, 156,591,344,256.30 and 67,756,191,422.40

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Solution

The fourth proportional to 113,490,816,999.12, 156,591,344,256.30 and 67,756,191,422.40 is: 93,488,031,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,490,816,999.12 : 156,591,344,256.30 = 67,756,191,422.40 : x
  2. Step 2: Convert to fraction form
    113,490,816,999.12/156,591,344,256.30 = 67,756,191,422.40/x
  3. Step 3: Cross multiply
    113,490,816,999.12x = 156,591,344,256.30 × 67,756,191,422.40
  4. Step 4: Simplify right side
    113,490,816,999.12x = 10,610,033,096,520,798,044,160
  5. Step 5: Solve for x
    x = 10,610,033,096,520,798,044,160/113,490,816,999.12
  6. Step 6: Final answer
    x = 93,488,031,693.38

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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.