Home / 105,788,625.70-158,682,938.55-98,135,875.30

Finding the Fourth Proportional to 105,788,625.70, 158,682,938.55 and 98,135,875.30

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Solution

The fourth proportional to 105,788,625.70, 158,682,938.55 and 98,135,875.30 is: 147,203,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,788,625.70 : 158,682,938.55 = 98,135,875.30 : x
  2. Step 2: Convert to fraction form
    105,788,625.70/158,682,938.55 = 98,135,875.30/x
  3. Step 3: Cross multiply
    105,788,625.70x = 158,682,938.55 × 98,135,875.30
  4. Step 4: Simplify right side
    105,788,625.70x = 15,572,489,069,780,364
  5. Step 5: Solve for x
    x = 15,572,489,069,780,364/105,788,625.70
  6. Step 6: Final answer
    x = 147,203,812.95

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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.