Home / 101,495,144.10-140,063,434.02-55,085,398.02

Finding the Fourth Proportional to 101,495,144.10, 140,063,434.02 and 55,085,398.02

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Solution

The fourth proportional to 101,495,144.10, 140,063,434.02 and 55,085,398.02 is: 76,017,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,144.10 : 140,063,434.02 = 55,085,398.02 : x
  2. Step 2: Convert to fraction form
    101,495,144.10/140,063,434.02 = 55,085,398.02/x
  3. Step 3: Cross multiply
    101,495,144.10x = 140,063,434.02 × 55,085,398.02
  4. Step 4: Simplify right side
    101,495,144.10x = 7,715,450,011,039,710
  5. Step 5: Solve for x
    x = 7,715,450,011,039,710/101,495,144.10
  6. Step 6: Final answer
    x = 76,017,922.63

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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.