Home / 107,312,478.40-160,977,465.60-45,902,101.60

Finding the Fourth Proportional to 107,312,478.40, 160,977,465.60 and 45,902,101.60

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Solution

The fourth proportional to 107,312,478.40, 160,977,465.60 and 45,902,101.60 is: 68,856,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,312,478.40 : 160,977,465.60 = 45,902,101.60 : x
  2. Step 2: Convert to fraction form
    107,312,478.40/160,977,465.60 = 45,902,101.60/x
  3. Step 3: Cross multiply
    107,312,478.40x = 160,977,465.60 × 45,902,101.60
  4. Step 4: Simplify right side
    107,312,478.40x = 7,389,203,981,281,705
  5. Step 5: Solve for x
    x = 7,389,203,981,281,705/107,312,478.40
  6. Step 6: Final answer
    x = 68,856,894.29

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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.