Home / 218,248,601.60-326,428,118.40-195,384,828.80

Finding the Fourth Proportional to 218,248,601.60, 326,428,118.40 and 195,384,828.80

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Solution

The fourth proportional to 218,248,601.60, 326,428,118.40 and 195,384,828.80 is: 292,231,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,248,601.60 : 326,428,118.40 = 195,384,828.80 : x
  2. Step 2: Convert to fraction form
    218,248,601.60/326,428,118.40 = 195,384,828.80/x
  3. Step 3: Cross multiply
    218,248,601.60x = 326,428,118.40 × 195,384,828.80
  4. Step 4: Simplify right side
    218,248,601.60x = 63,779,102,029,090,128
  5. Step 5: Solve for x
    x = 63,779,102,029,090,128/218,248,601.60
  6. Step 6: Final answer
    x = 292,231,434.99

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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.