Home / 101,376,078.40-152,064,117.60-61,032,116.80

Finding the Fourth Proportional to 101,376,078.40, 152,064,117.60 and 61,032,116.80

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Solution

The fourth proportional to 101,376,078.40, 152,064,117.60 and 61,032,116.80 is: 91,548,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,078.40 : 152,064,117.60 = 61,032,116.80 : x
  2. Step 2: Convert to fraction form
    101,376,078.40/152,064,117.60 = 61,032,116.80/x
  3. Step 3: Cross multiply
    101,376,078.40x = 152,064,117.60 × 61,032,116.80
  4. Step 4: Simplify right side
    101,376,078.40x = 9,280,794,986,452,134
  5. Step 5: Solve for x
    x = 9,280,794,986,452,134/101,376,078.40
  6. Step 6: Final answer
    x = 91,548,175.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.