Home / 121,730,700,256.16-182,601,789,947.04-100,443,666,217.92

Finding the Fourth Proportional to 121,730,700,256.16, 182,601,789,947.04 and 100,443,666,217.92

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Solution

The fourth proportional to 121,730,700,256.16, 182,601,789,947.04 and 100,443,666,217.92 is: 150,670,235,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,730,700,256.16 : 182,601,789,947.04 = 100,443,666,217.92 : x
  2. Step 2: Convert to fraction form
    121,730,700,256.16/182,601,789,947.04 = 100,443,666,217.92/x
  3. Step 3: Cross multiply
    121,730,700,256.16x = 182,601,789,947.04 × 100,443,666,217.92
  4. Step 4: Simplify right side
    121,730,700,256.16x = 18,341,193,240,235,225,382,912
  5. Step 5: Solve for x
    x = 18,341,193,240,235,225,382,912/121,730,700,256.16
  6. Step 6: Final answer
    x = 150,670,235,212.97

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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.