Home / 130,409,306.80-195,613,960.20-97,885,117.60

Finding the Fourth Proportional to 130,409,306.80, 195,613,960.20 and 97,885,117.60

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Solution

The fourth proportional to 130,409,306.80, 195,613,960.20 and 97,885,117.60 is: 146,827,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,306.80 : 195,613,960.20 = 97,885,117.60 : x
  2. Step 2: Convert to fraction form
    130,409,306.80/195,613,960.20 = 97,885,117.60/x
  3. Step 3: Cross multiply
    130,409,306.80x = 195,613,960.20 × 97,885,117.60
  4. Step 4: Simplify right side
    130,409,306.80x = 19,147,695,498,378,716
  5. Step 5: Solve for x
    x = 19,147,695,498,378,716/130,409,306.80
  6. Step 6: Final answer
    x = 146,827,676.40

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1.5x scale

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.