Home / 65,781,244.41-90,777,017.16-36,411,946.89

Finding the Fourth Proportional to 65,781,244.41, 90,777,017.16 and 36,411,946.89

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Solution

The fourth proportional to 65,781,244.41, 90,777,017.16 and 36,411,946.89 is: 50,247,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781,244.41 : 90,777,017.16 = 36,411,946.89 : x
  2. Step 2: Convert to fraction form
    65,781,244.41/90,777,017.16 = 36,411,946.89/x
  3. Step 3: Cross multiply
    65,781,244.41x = 90,777,017.16 × 36,411,946.89
  4. Step 4: Simplify right side
    65,781,244.41x = 3,305,367,927,662,538.50
  5. Step 5: Solve for x
    x = 3,305,367,927,662,538.50/65,781,244.41
  6. Step 6: Final answer
    x = 50,247,877.75

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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.