Home / 121,119,347.60-181,679,021.40-112,510,003.40

Finding the Fourth Proportional to 121,119,347.60, 181,679,021.40 and 112,510,003.40

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Solution

The fourth proportional to 121,119,347.60, 181,679,021.40 and 112,510,003.40 is: 168,765,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119,347.60 : 181,679,021.40 = 112,510,003.40 : x
  2. Step 2: Convert to fraction form
    121,119,347.60/181,679,021.40 = 112,510,003.40/x
  3. Step 3: Cross multiply
    121,119,347.60x = 181,679,021.40 × 112,510,003.40
  4. Step 4: Simplify right side
    121,119,347.60x = 20,440,707,315,422,676
  5. Step 5: Solve for x
    x = 20,440,707,315,422,676/121,119,347.60
  6. Step 6: Final answer
    x = 168,765,005.10

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1.5x scale

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.