Home / 61,566,128.36-84,957,518.76-35,100,781.72

Finding the Fourth Proportional to 61,566,128.36, 84,957,518.76 and 35,100,781.72

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Solution

The fourth proportional to 61,566,128.36, 84,957,518.76 and 35,100,781.72 is: 48,436,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,566,128.36 : 84,957,518.76 = 35,100,781.72 : x
  2. Step 2: Convert to fraction form
    61,566,128.36/84,957,518.76 = 35,100,781.72/x
  3. Step 3: Cross multiply
    61,566,128.36x = 84,957,518.76 × 35,100,781.72
  4. Step 4: Simplify right side
    61,566,128.36x = 2,982,075,321,123,543
  5. Step 5: Solve for x
    x = 2,982,075,321,123,543/61,566,128.36
  6. Step 6: Final answer
    x = 48,436,947.40

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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.