Home / 122,327,108,641.28-168,819,894,281.76-74,157,182,240.96

Finding the Fourth Proportional to 122,327,108,641.28, 168,819,894,281.76 and 74,157,182,240.96

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Solution

The fourth proportional to 122,327,108,641.28, 168,819,894,281.76 and 74,157,182,240.96 is: 102,342,054,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327,108,641.28 : 168,819,894,281.76 = 74,157,182,240.96 : x
  2. Step 2: Convert to fraction form
    122,327,108,641.28/168,819,894,281.76 = 74,157,182,240.96/x
  3. Step 3: Cross multiply
    122,327,108,641.28x = 168,819,894,281.76 × 74,157,182,240.96
  4. Step 4: Simplify right side
    122,327,108,641.28x = 12,519,207,666,152,078,573,568
  5. Step 5: Solve for x
    x = 12,519,207,666,152,078,573,568/122,327,108,641.28
  6. Step 6: Final answer
    x = 102,342,054,882.24

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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.