Home / 115,910,111.10-173,865,166.65-86,999,720.70

Finding the Fourth Proportional to 115,910,111.10, 173,865,166.65 and 86,999,720.70

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Solution

The fourth proportional to 115,910,111.10, 173,865,166.65 and 86,999,720.70 is: 130,499,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910,111.10 : 173,865,166.65 = 86,999,720.70 : x
  2. Step 2: Convert to fraction form
    115,910,111.10/173,865,166.65 = 86,999,720.70/x
  3. Step 3: Cross multiply
    115,910,111.10x = 173,865,166.65 × 86,999,720.70
  4. Step 4: Simplify right side
    115,910,111.10x = 15,126,220,938,008,956
  5. Step 5: Solve for x
    x = 15,126,220,938,008,956/115,910,111.10
  6. Step 6: Final answer
    x = 130,499,581.05

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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.