Home / 121,130,659.80-181,444,047.30-100,975,267.80

Finding the Fourth Proportional to 121,130,659.80, 181,444,047.30 and 100,975,267.80

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Solution

The fourth proportional to 121,130,659.80, 181,444,047.30 and 100,975,267.80 is: 151,252,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,130,659.80 : 181,444,047.30 = 100,975,267.80 : x
  2. Step 2: Convert to fraction form
    121,130,659.80/181,444,047.30 = 100,975,267.80/x
  3. Step 3: Cross multiply
    121,130,659.80x = 181,444,047.30 × 100,975,267.80
  4. Step 4: Simplify right side
    121,130,659.80x = 18,321,361,266,833,368
  5. Step 5: Solve for x
    x = 18,321,361,266,833,368/121,130,659.80
  6. Step 6: Final answer
    x = 151,252,880.96

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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.