Home / 219,986,301.60-329,979,452.40-83,653,970.40

Finding the Fourth Proportional to 219,986,301.60, 329,979,452.40 and 83,653,970.40

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Solution

The fourth proportional to 219,986,301.60, 329,979,452.40 and 83,653,970.40 is: 125,480,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,986,301.60 : 329,979,452.40 = 83,653,970.40 : x
  2. Step 2: Convert to fraction form
    219,986,301.60/329,979,452.40 = 83,653,970.40/x
  3. Step 3: Cross multiply
    219,986,301.60x = 329,979,452.40 × 83,653,970.40
  4. Step 4: Simplify right side
    219,986,301.60x = 27,604,091,343,677,808
  5. Step 5: Solve for x
    x = 27,604,091,343,677,808/219,986,301.60
  6. Step 6: Final answer
    x = 125,480,955.60

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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.