Home / 210,069,055.80-314,891,007.30-123,763,037.40

Finding the Fourth Proportional to 210,069,055.80, 314,891,007.30 and 123,763,037.40

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Solution

The fourth proportional to 210,069,055.80, 314,891,007.30 and 123,763,037.40 is: 185,519,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,069,055.80 : 314,891,007.30 = 123,763,037.40 : x
  2. Step 2: Convert to fraction form
    210,069,055.80/314,891,007.30 = 123,763,037.40/x
  3. Step 3: Cross multiply
    210,069,055.80x = 314,891,007.30 × 123,763,037.40
  4. Step 4: Simplify right side
    210,069,055.80x = 38,971,867,513,393,576
  5. Step 5: Solve for x
    x = 38,971,867,513,393,576/210,069,055.80
  6. Step 6: Final answer
    x = 185,519,315.85

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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.