Home / 121,143,870.30-181,715,805.45-56,426,166.30

Finding the Fourth Proportional to 121,143,870.30, 181,715,805.45 and 56,426,166.30

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Solution

The fourth proportional to 121,143,870.30, 181,715,805.45 and 56,426,166.30 is: 84,639,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,143,870.30 : 181,715,805.45 = 56,426,166.30 : x
  2. Step 2: Convert to fraction form
    121,143,870.30/181,715,805.45 = 56,426,166.30/x
  3. Step 3: Cross multiply
    121,143,870.30x = 181,715,805.45 × 56,426,166.30
  4. Step 4: Simplify right side
    121,143,870.30x = 10,253,526,257,660,146
  5. Step 5: Solve for x
    x = 10,253,526,257,660,146/121,143,870.30
  6. Step 6: Final answer
    x = 84,639,249.45

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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.