Home / 65,128,445.76-89,878,540.53-35,759,521.38

Finding the Fourth Proportional to 65,128,445.76, 89,878,540.53 and 35,759,521.38

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Solution

The fourth proportional to 65,128,445.76, 89,878,540.53 and 35,759,521.38 is: 49,348,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,128,445.76 : 89,878,540.53 = 35,759,521.38 : x
  2. Step 2: Convert to fraction form
    65,128,445.76/89,878,540.53 = 35,759,521.38/x
  3. Step 3: Cross multiply
    65,128,445.76x = 89,878,540.53 × 35,759,521.38
  4. Step 4: Simplify right side
    65,128,445.76x = 3,214,013,591,685,732
  5. Step 5: Solve for x
    x = 3,214,013,591,685,732/65,128,445.76
  6. Step 6: Final answer
    x = 49,348,845.26

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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.