Home / 144,828,009.60-217,242,014.40-53,939,788.80

Finding the Fourth Proportional to 144,828,009.60, 217,242,014.40 and 53,939,788.80

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Solution

The fourth proportional to 144,828,009.60, 217,242,014.40 and 53,939,788.80 is: 80,909,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,009.60 : 217,242,014.40 = 53,939,788.80 : x
  2. Step 2: Convert to fraction form
    144,828,009.60/217,242,014.40 = 53,939,788.80/x
  3. Step 3: Cross multiply
    144,828,009.60x = 217,242,014.40 × 53,939,788.80
  4. Step 4: Simplify right side
    144,828,009.60x = 11,717,988,375,222,558
  5. Step 5: Solve for x
    x = 11,717,988,375,222,558/144,828,009.60
  6. Step 6: Final answer
    x = 80,909,683.20

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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.