Home / 61,837,839.66-85,369,349.30-47,678,100.11

Finding the Fourth Proportional to 61,837,839.66, 85,369,349.30 and 47,678,100.11

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Solution

The fourth proportional to 61,837,839.66, 85,369,349.30 and 47,678,100.11 is: 65,821,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837,839.66 : 85,369,349.30 = 47,678,100.11 : x
  2. Step 2: Convert to fraction form
    61,837,839.66/85,369,349.30 = 47,678,100.11/x
  3. Step 3: Cross multiply
    61,837,839.66x = 85,369,349.30 × 47,678,100.11
  4. Step 4: Simplify right side
    61,837,839.66x = 4,070,248,381,585,721
  5. Step 5: Solve for x
    x = 4,070,248,381,585,721/61,837,839.66
  6. Step 6: Final answer
    x = 65,821,322.41

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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.