Home / 107,778,933.60-161,668,400.40-53,217,657.60

Finding the Fourth Proportional to 107,778,933.60, 161,668,400.40 and 53,217,657.60

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Solution

The fourth proportional to 107,778,933.60, 161,668,400.40 and 53,217,657.60 is: 79,826,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,778,933.60 : 161,668,400.40 = 53,217,657.60 : x
  2. Step 2: Convert to fraction form
    107,778,933.60/161,668,400.40 = 53,217,657.60/x
  3. Step 3: Cross multiply
    107,778,933.60x = 161,668,400.40 × 53,217,657.60
  4. Step 4: Simplify right side
    107,778,933.60x = 8,603,613,577,226,904
  5. Step 5: Solve for x
    x = 8,603,613,577,226,904/107,778,933.60
  6. Step 6: Final answer
    x = 79,826,486.40

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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.