Home / 143,804,591.03-215,706,886.55-99,801,276.23

Finding the Fourth Proportional to 143,804,591.03, 215,706,886.55 and 99,801,276.23

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Solution

The fourth proportional to 143,804,591.03, 215,706,886.55 and 99,801,276.23 is: 149,701,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,591.03 : 215,706,886.55 = 99,801,276.23 : x
  2. Step 2: Convert to fraction form
    143,804,591.03/215,706,886.55 = 99,801,276.23/x
  3. Step 3: Cross multiply
    143,804,591.03x = 215,706,886.55 × 99,801,276.23
  4. Step 4: Simplify right side
    143,804,591.03x = 21,527,822,567,712,280
  5. Step 5: Solve for x
    x = 21,527,822,567,712,280/143,804,591.03
  6. Step 6: Final answer
    x = 149,701,914.34

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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.