Home / 47,549,969.10-71,275,177.70-19,899,729.60

Finding the Fourth Proportional to 47,549,969.10, 71,275,177.70 and 19,899,729.60

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Solution

The fourth proportional to 47,549,969.10, 71,275,177.70 and 19,899,729.60 is: 29,828,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,549,969.10 : 71,275,177.70 = 19,899,729.60 : x
  2. Step 2: Convert to fraction form
    47,549,969.10/71,275,177.70 = 19,899,729.60/x
  3. Step 3: Cross multiply
    47,549,969.10x = 71,275,177.70 × 19,899,729.60
  4. Step 4: Simplify right side
    47,549,969.10x = 1,418,356,763,421,950
  5. Step 5: Solve for x
    x = 1,418,356,763,421,950/47,549,969.10
  6. Step 6: Final answer
    x = 29,828,763.09

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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.