Home / 143,804,592.03-215,706,888.05-99,801,277.23

Finding the Fourth Proportional to 143,804,592.03, 215,706,888.05 and 99,801,277.23

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Solution

The fourth proportional to 143,804,592.03, 215,706,888.05 and 99,801,277.23 is: 149,701,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,592.03 : 215,706,888.05 = 99,801,277.23 : x
  2. Step 2: Convert to fraction form
    143,804,592.03/215,706,888.05 = 99,801,277.23/x
  3. Step 3: Cross multiply
    143,804,592.03x = 215,706,888.05 × 99,801,277.23
  4. Step 4: Simplify right side
    143,804,592.03x = 21,527,822,934,698,628
  5. Step 5: Solve for x
    x = 21,527,822,934,698,628/143,804,592.03
  6. Step 6: Final answer
    x = 149,701,915.85

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1.5x scale

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.