Home / 121,230,528.30-181,869,412.05-48,434,921.10

Finding the Fourth Proportional to 121,230,528.30, 181,869,412.05 and 48,434,921.10

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Solution

The fourth proportional to 121,230,528.30, 181,869,412.05 and 48,434,921.10 is: 72,661,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,230,528.30 : 181,869,412.05 = 48,434,921.10 : x
  2. Step 2: Convert to fraction form
    121,230,528.30/181,869,412.05 = 48,434,921.10/x
  3. Step 3: Cross multiply
    121,230,528.30x = 181,869,412.05 × 48,434,921.10
  4. Step 4: Simplify right side
    121,230,528.30x = 8,808,830,623,145,140
  5. Step 5: Solve for x
    x = 8,808,830,623,145,140/121,230,528.30
  6. Step 6: Final answer
    x = 72,661,818.33

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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.