Home / 64,944,010.80-97,416,016.20-19,499,900.40

Finding the Fourth Proportional to 64,944,010.80, 97,416,016.20 and 19,499,900.40

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Solution

The fourth proportional to 64,944,010.80, 97,416,016.20 and 19,499,900.40 is: 29,249,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,944,010.80 : 97,416,016.20 = 19,499,900.40 : x
  2. Step 2: Convert to fraction form
    64,944,010.80/97,416,016.20 = 19,499,900.40/x
  3. Step 3: Cross multiply
    64,944,010.80x = 97,416,016.20 × 19,499,900.40
  4. Step 4: Simplify right side
    64,944,010.80x = 1,899,602,613,264,786.50
  5. Step 5: Solve for x
    x = 1,899,602,613,264,786.50/64,944,010.80
  6. Step 6: Final answer
    x = 29,249,850.60

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Double scale
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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.