Home / 80,152,265,679.39-110,612,286,663.67-47,157,656,188.05

Finding the Fourth Proportional to 80,152,265,679.39, 110,612,286,663.67 and 47,157,656,188.05

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Solution

The fourth proportional to 80,152,265,679.39, 110,612,286,663.67 and 47,157,656,188.05 is: 65,078,836,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,152,265,679.39 : 110,612,286,663.67 = 47,157,656,188.05 : x
  2. Step 2: Convert to fraction form
    80,152,265,679.39/110,612,286,663.67 = 47,157,656,188.05/x
  3. Step 3: Cross multiply
    80,152,265,679.39x = 110,612,286,663.67 × 47,157,656,188.05
  4. Step 4: Simplify right side
    80,152,265,679.39x = 5,216,216,184,658,935,676,928
  5. Step 5: Solve for x
    x = 5,216,216,184,658,935,676,928/80,152,265,679.39
  6. Step 6: Final answer
    x = 65,078,836,392.77

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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.