Home / 121,143,670.80-181,715,506.20-56,425,966.80

Finding the Fourth Proportional to 121,143,670.80, 181,715,506.20 and 56,425,966.80

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Solution

The fourth proportional to 121,143,670.80, 181,715,506.20 and 56,425,966.80 is: 84,638,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,143,670.80 : 181,715,506.20 = 56,425,966.80 : x
  2. Step 2: Convert to fraction form
    121,143,670.80/181,715,506.20 = 56,425,966.80/x
  3. Step 3: Cross multiply
    121,143,670.80x = 181,715,506.20 × 56,425,966.80
  4. Step 4: Simplify right side
    121,143,670.80x = 10,253,473,119,886,392
  5. Step 5: Solve for x
    x = 10,253,473,119,886,392/121,143,670.80
  6. Step 6: Final answer
    x = 84,638,950.20

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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.