Home / 77,771,508,227.48-107,341,946,979.67-47,281,213,043.25

Finding the Fourth Proportional to 77,771,508,227.48, 107,341,946,979.67 and 47,281,213,043.25

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Solution

The fourth proportional to 77,771,508,227.48, 107,341,946,979.67 and 47,281,213,043.25 is: 65,258,570,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,508,227.48 : 107,341,946,979.67 = 47,281,213,043.25 : x
  2. Step 2: Convert to fraction form
    77,771,508,227.48/107,341,946,979.67 = 47,281,213,043.25/x
  3. Step 3: Cross multiply
    77,771,508,227.48x = 107,341,946,979.67 × 47,281,213,043.25
  4. Step 4: Simplify right side
    77,771,508,227.48x = 5,075,257,463,623,023,329,280
  5. Step 5: Solve for x
    x = 5,075,257,463,623,023,329,280/77,771,508,227.48
  6. Step 6: Final answer
    x = 65,258,570,642.32

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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.