Home / 115,918,933.60-173,878,400.40-107,160,047.20

Finding the Fourth Proportional to 115,918,933.60, 173,878,400.40 and 107,160,047.20

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Solution

The fourth proportional to 115,918,933.60, 173,878,400.40 and 107,160,047.20 is: 160,740,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,933.60 : 173,878,400.40 = 107,160,047.20 : x
  2. Step 2: Convert to fraction form
    115,918,933.60/173,878,400.40 = 107,160,047.20/x
  3. Step 3: Cross multiply
    115,918,933.60x = 173,878,400.40 × 107,160,047.20
  4. Step 4: Simplify right side
    115,918,933.60x = 18,632,817,593,924,500
  5. Step 5: Solve for x
    x = 18,632,817,593,924,500/115,918,933.60
  6. Step 6: Final answer
    x = 160,740,070.80

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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.