Home / 123,669,655.20-185,504,482.80-122,535,914.40

Finding the Fourth Proportional to 123,669,655.20, 185,504,482.80 and 122,535,914.40

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Solution

The fourth proportional to 123,669,655.20, 185,504,482.80 and 122,535,914.40 is: 183,803,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669,655.20 : 185,504,482.80 = 122,535,914.40 : x
  2. Step 2: Convert to fraction form
    123,669,655.20/185,504,482.80 = 122,535,914.40/x
  3. Step 3: Cross multiply
    123,669,655.20x = 185,504,482.80 × 122,535,914.40
  4. Step 4: Simplify right side
    123,669,655.20x = 22,730,961,425,197,076
  5. Step 5: Solve for x
    x = 22,730,961,425,197,076/123,669,655.20
  6. Step 6: Final answer
    x = 183,803,871.60

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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.