Home / 101,813,185,565.28-140,506,550,778.12-56,702,905,143.84

Finding the Fourth Proportional to 101,813,185,565.28, 140,506,550,778.12 and 56,702,905,143.84

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Solution

The fourth proportional to 101,813,185,565.28, 140,506,550,778.12 and 56,702,905,143.84 is: 78,252,434,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,813,185,565.28 : 140,506,550,778.12 = 56,702,905,143.84 : x
  2. Step 2: Convert to fraction form
    101,813,185,565.28/140,506,550,778.12 = 56,702,905,143.84/x
  3. Step 3: Cross multiply
    101,813,185,565.28x = 140,506,550,778.12 × 56,702,905,143.84
  4. Step 4: Simplify right side
    101,813,185,565.28x = 7,967,129,620,859,876,016,128
  5. Step 5: Solve for x
    x = 7,967,129,620,859,876,016,128/101,813,185,565.28
  6. Step 6: Final answer
    x = 78,252,434,364.23

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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.