Home / 206,258,042,692.56-309,386,991,220.02-55,160,416,988.50

Finding the Fourth Proportional to 206,258,042,692.56, 309,386,991,220.02 and 55,160,416,988.50

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Solution

The fourth proportional to 206,258,042,692.56, 309,386,991,220.02 and 55,160,416,988.50 is: 82,740,606,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,258,042,692.56 : 309,386,991,220.02 = 55,160,416,988.50 : x
  2. Step 2: Convert to fraction form
    206,258,042,692.56/309,386,991,220.02 = 55,160,416,988.50/x
  3. Step 3: Cross multiply
    206,258,042,692.56x = 309,386,991,220.02 × 55,160,416,988.50
  4. Step 4: Simplify right side
    206,258,042,692.56x = 17,065,915,446,513,692,049,408
  5. Step 5: Solve for x
    x = 17,065,915,446,513,692,049,408/206,258,042,692.56
  6. Step 6: Final answer
    x = 82,740,606,008.52

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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.