Home / 144,342,001.80-216,513,002.70-129,729,342.60

Finding the Fourth Proportional to 144,342,001.80, 216,513,002.70 and 129,729,342.60

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Solution

The fourth proportional to 144,342,001.80, 216,513,002.70 and 129,729,342.60 is: 194,594,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,342,001.80 : 216,513,002.70 = 129,729,342.60 : x
  2. Step 2: Convert to fraction form
    144,342,001.80/216,513,002.70 = 129,729,342.60/x
  3. Step 3: Cross multiply
    144,342,001.80x = 216,513,002.70 × 129,729,342.60
  4. Step 4: Simplify right side
    144,342,001.80x = 28,088,089,504,623,024
  5. Step 5: Solve for x
    x = 28,088,089,504,623,024/144,342,001.80
  6. Step 6: Final answer
    x = 194,594,013.90

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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.