Home / 121,178,623.80-181,767,935.70-70,034,316.60

Finding the Fourth Proportional to 121,178,623.80, 181,767,935.70 and 70,034,316.60

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Solution

The fourth proportional to 121,178,623.80, 181,767,935.70 and 70,034,316.60 is: 105,051,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,178,623.80 : 181,767,935.70 = 70,034,316.60 : x
  2. Step 2: Convert to fraction form
    121,178,623.80/181,767,935.70 = 70,034,316.60/x
  3. Step 3: Cross multiply
    121,178,623.80x = 181,767,935.70 × 70,034,316.60
  4. Step 4: Simplify right side
    121,178,623.80x = 12,729,993,156,542,240
  5. Step 5: Solve for x
    x = 12,729,993,156,542,240/121,178,623.80
  6. Step 6: Final answer
    x = 105,051,474.90

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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.