Home / 109,073,111.80-163,609,667.70-102,354,647.80

Finding the Fourth Proportional to 109,073,111.80, 163,609,667.70 and 102,354,647.80

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Solution

The fourth proportional to 109,073,111.80, 163,609,667.70 and 102,354,647.80 is: 153,531,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,073,111.80 : 163,609,667.70 = 102,354,647.80 : x
  2. Step 2: Convert to fraction form
    109,073,111.80/163,609,667.70 = 102,354,647.80/x
  3. Step 3: Cross multiply
    109,073,111.80x = 163,609,667.70 × 102,354,647.80
  4. Step 4: Simplify right side
    109,073,111.80x = 16,746,209,914,108,534
  5. Step 5: Solve for x
    x = 16,746,209,914,108,534/109,073,111.80
  6. Step 6: Final answer
    x = 153,531,971.70

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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.