Home / 106,890,609.60-160,335,914.40-91,585,108.80

Finding the Fourth Proportional to 106,890,609.60, 160,335,914.40 and 91,585,108.80

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Solution

The fourth proportional to 106,890,609.60, 160,335,914.40 and 91,585,108.80 is: 137,377,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,890,609.60 : 160,335,914.40 = 91,585,108.80 : x
  2. Step 2: Convert to fraction form
    106,890,609.60/160,335,914.40 = 91,585,108.80/x
  3. Step 3: Cross multiply
    106,890,609.60x = 160,335,914.40 × 91,585,108.80
  4. Step 4: Simplify right side
    106,890,609.60x = 14,684,382,164,871,486
  5. Step 5: Solve for x
    x = 14,684,382,164,871,486/106,890,609.60
  6. Step 6: Final answer
    x = 137,377,663.20

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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.