Home / 77,771,508,228.62-107,341,946,981.24-47,281,213,044.38

Finding the Fourth Proportional to 77,771,508,228.62, 107,341,946,981.24 and 47,281,213,044.38

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Solution

The fourth proportional to 77,771,508,228.62, 107,341,946,981.24 and 47,281,213,044.38 is: 65,258,570,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,508,228.62 : 107,341,946,981.24 = 47,281,213,044.38 : x
  2. Step 2: Convert to fraction form
    77,771,508,228.62/107,341,946,981.24 = 47,281,213,044.38/x
  3. Step 3: Cross multiply
    77,771,508,228.62x = 107,341,946,981.24 × 47,281,213,044.38
  4. Step 4: Simplify right side
    77,771,508,228.62x = 5,075,257,463,818,014,425,088
  5. Step 5: Solve for x
    x = 5,075,257,463,818,014,425,088/77,771,508,228.62
  6. Step 6: Final answer
    x = 65,258,570,643.88

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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.