Home / 119,702,157-165,189,047.40-66,778,864.89

Finding the Fourth Proportional to 119,702,157, 165,189,047.40 and 66,778,864.89

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Solution

The fourth proportional to 119,702,157, 165,189,047.40 and 66,778,864.89 is: 92,154,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,702,157 : 165,189,047.40 = 66,778,864.89 : x
  2. Step 2: Convert to fraction form
    119,702,157/165,189,047.40 = 66,778,864.89/x
  3. Step 3: Cross multiply
    119,702,157x = 165,189,047.40 × 66,778,864.89
  4. Step 4: Simplify right side
    119,702,157x = 11,031,137,077,632,406
  5. Step 5: Solve for x
    x = 11,031,137,077,632,406/119,702,157
  6. Step 6: Final answer
    x = 92,154,873.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.