Home / 144,597,999.60-216,828,570.60-84,032,290.80

Finding the Fourth Proportional to 144,597,999.60, 216,828,570.60 and 84,032,290.80

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Solution

The fourth proportional to 144,597,999.60, 216,828,570.60 and 84,032,290.80 is: 126,008,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,597,999.60 : 216,828,570.60 = 84,032,290.80 : x
  2. Step 2: Convert to fraction form
    144,597,999.60/216,828,570.60 = 84,032,290.80/x
  3. Step 3: Cross multiply
    144,597,999.60x = 216,828,570.60 × 84,032,290.80
  4. Step 4: Simplify right side
    144,597,999.60x = 18,220,601,498,407,528
  5. Step 5: Solve for x
    x = 18,220,601,498,407,528/144,597,999.60
  6. Step 6: Final answer
    x = 126,008,669.20

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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.