Home / 121,144,204.80-181,716,307.20-56,426,500.80

Finding the Fourth Proportional to 121,144,204.80, 181,716,307.20 and 56,426,500.80

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Solution

The fourth proportional to 121,144,204.80, 181,716,307.20 and 56,426,500.80 is: 84,639,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,144,204.80 : 181,716,307.20 = 56,426,500.80 : x
  2. Step 2: Convert to fraction form
    121,144,204.80/181,716,307.20 = 56,426,500.80/x
  3. Step 3: Cross multiply
    121,144,204.80x = 181,716,307.20 × 56,426,500.80
  4. Step 4: Simplify right side
    121,144,204.80x = 10,253,615,353,593,844
  5. Step 5: Solve for x
    x = 10,253,615,353,593,844/121,144,204.80
  6. Step 6: Final answer
    x = 84,639,751.20

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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.