Home / 120,769,866.20-181,184,979.90-38,896,459.40

Finding the Fourth Proportional to 120,769,866.20, 181,184,979.90 and 38,896,459.40

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Solution

The fourth proportional to 120,769,866.20, 181,184,979.90 and 38,896,459.40 is: 58,354,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,769,866.20 : 181,184,979.90 = 38,896,459.40 : x
  2. Step 2: Convert to fraction form
    120,769,866.20/181,184,979.90 = 38,896,459.40/x
  3. Step 3: Cross multiply
    120,769,866.20x = 181,184,979.90 × 38,896,459.40
  4. Step 4: Simplify right side
    120,769,866.20x = 7,047,454,214,570,166
  5. Step 5: Solve for x
    x = 7,047,454,214,570,166/120,769,866.20
  6. Step 6: Final answer
    x = 58,354,409.39

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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.