Home / 121,054,501.20-181,581,751.80-111,701,139.60

Finding the Fourth Proportional to 121,054,501.20, 181,581,751.80 and 111,701,139.60

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Solution

The fourth proportional to 121,054,501.20, 181,581,751.80 and 111,701,139.60 is: 167,551,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,054,501.20 : 181,581,751.80 = 111,701,139.60 : x
  2. Step 2: Convert to fraction form
    121,054,501.20/181,581,751.80 = 111,701,139.60/x
  3. Step 3: Cross multiply
    121,054,501.20x = 181,581,751.80 × 111,701,139.60
  4. Step 4: Simplify right side
    121,054,501.20x = 20,282,888,606,624,352
  5. Step 5: Solve for x
    x = 20,282,888,606,624,352/121,054,501.20
  6. Step 6: Final answer
    x = 167,551,709.40

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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.