Home / 92,668,897.80-139,069,701.90-38,854,830.60

Finding the Fourth Proportional to 92,668,897.80, 139,069,701.90 and 38,854,830.60

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Solution

The fourth proportional to 92,668,897.80, 139,069,701.90 and 38,854,830.60 is: 58,310,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668,897.80 : 139,069,701.90 = 38,854,830.60 : x
  2. Step 2: Convert to fraction form
    92,668,897.80/139,069,701.90 = 38,854,830.60/x
  3. Step 3: Cross multiply
    92,668,897.80x = 139,069,701.90 × 38,854,830.60
  4. Step 4: Simplify right side
    92,668,897.80x = 5,403,529,708,916,999
  5. Step 5: Solve for x
    x = 5,403,529,708,916,999/92,668,897.80
  6. Step 6: Final answer
    x = 58,310,067.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.