Home / 143,804,572.90-215,706,859.35-99,801,258.10

Finding the Fourth Proportional to 143,804,572.90, 215,706,859.35 and 99,801,258.10

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Solution

The fourth proportional to 143,804,572.90, 215,706,859.35 and 99,801,258.10 is: 149,701,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,572.90 : 215,706,859.35 = 99,801,258.10 : x
  2. Step 2: Convert to fraction form
    143,804,572.90/215,706,859.35 = 99,801,258.10/x
  3. Step 3: Cross multiply
    143,804,572.90x = 215,706,859.35 × 99,801,258.10
  4. Step 4: Simplify right side
    143,804,572.90x = 21,527,815,943,929,748
  5. Step 5: Solve for x
    x = 21,527,815,943,929,748/143,804,572.90
  6. Step 6: Final answer
    x = 149,701,887.15

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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.