Home / 77,771,508,227.11-107,341,946,979.16-47,281,213,042.88

Finding the Fourth Proportional to 77,771,508,227.11, 107,341,946,979.16 and 47,281,213,042.88

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Solution

The fourth proportional to 77,771,508,227.11, 107,341,946,979.16 and 47,281,213,042.88 is: 65,258,570,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,508,227.11 : 107,341,946,979.16 = 47,281,213,042.88 : x
  2. Step 2: Convert to fraction form
    77,771,508,227.11/107,341,946,979.16 = 47,281,213,042.88/x
  3. Step 3: Cross multiply
    77,771,508,227.11x = 107,341,946,979.16 × 47,281,213,042.88
  4. Step 4: Simplify right side
    77,771,508,227.11x = 5,075,257,463,558,656,491,520
  5. Step 5: Solve for x
    x = 5,075,257,463,558,656,491,520/77,771,508,227.11
  6. Step 6: Final answer
    x = 65,258,570,641.81

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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.