Home / 121,168,941.12-181,819,537.92-70,150,605.12

Finding the Fourth Proportional to 121,168,941.12, 181,819,537.92 and 70,150,605.12

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Solution

The fourth proportional to 121,168,941.12, 181,819,537.92 and 70,150,605.12 is: 105,264,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,941.12 : 181,819,537.92 = 70,150,605.12 : x
  2. Step 2: Convert to fraction form
    121,168,941.12/181,819,537.92 = 70,150,605.12/x
  3. Step 3: Cross multiply
    121,168,941.12x = 181,819,537.92 × 70,150,605.12
  4. Step 4: Simplify right side
    121,168,941.12x = 12,754,750,607,726,786
  5. Step 5: Solve for x
    x = 12,754,750,607,726,786/121,168,941.12
  6. Step 6: Final answer
    x = 105,264,191.38

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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.