Home / 61,837,851.66-85,369,365.84-47,678,112.12

Finding the Fourth Proportional to 61,837,851.66, 85,369,365.84 and 47,678,112.12

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Solution

The fourth proportional to 61,837,851.66, 85,369,365.84 and 47,678,112.12 is: 65,821,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837,851.66 : 85,369,365.84 = 47,678,112.12 : x
  2. Step 2: Convert to fraction form
    61,837,851.66/85,369,365.84 = 47,678,112.12/x
  3. Step 3: Cross multiply
    61,837,851.66x = 85,369,365.84 × 47,678,112.12
  4. Step 4: Simplify right side
    61,837,851.66x = 4,070,250,196,132,818
  5. Step 5: Solve for x
    x = 4,070,250,196,132,818/61,837,851.66
  6. Step 6: Final answer
    x = 65,821,338.98

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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.