Home / 84,822,890.38-117,060,600.27-63,877,970.19

Finding the Fourth Proportional to 84,822,890.38, 117,060,600.27 and 63,877,970.19

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Solution

The fourth proportional to 84,822,890.38, 117,060,600.27 and 63,877,970.19 is: 88,155,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,822,890.38 : 117,060,600.27 = 63,877,970.19 : x
  2. Step 2: Convert to fraction form
    84,822,890.38/117,060,600.27 = 63,877,970.19/x
  3. Step 3: Cross multiply
    84,822,890.38x = 117,060,600.27 × 63,877,970.19
  4. Step 4: Simplify right side
    84,822,890.38x = 7,477,593,534,470,565
  5. Step 5: Solve for x
    x = 7,477,593,534,470,565/84,822,890.38
  6. Step 6: Final answer
    x = 88,155,372.93

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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.