Home / 154,500,376.38-213,207,090.48-83,934,162.96

Finding the Fourth Proportional to 154,500,376.38, 213,207,090.48 and 83,934,162.96

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Solution

The fourth proportional to 154,500,376.38, 213,207,090.48 and 83,934,162.96 is: 115,827,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,500,376.38 : 213,207,090.48 = 83,934,162.96 : x
  2. Step 2: Convert to fraction form
    154,500,376.38/213,207,090.48 = 83,934,162.96/x
  3. Step 3: Cross multiply
    154,500,376.38x = 213,207,090.48 × 83,934,162.96
  4. Step 4: Simplify right side
    154,500,376.38x = 17,895,358,676,575,782
  5. Step 5: Solve for x
    x = 17,895,358,676,575,782/154,500,376.38
  6. Step 6: Final answer
    x = 115,827,282.08

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1.5x scale

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.