Home / 119,343,949.47-179,015,973.87-53,688,399.12

Finding the Fourth Proportional to 119,343,949.47, 179,015,973.87 and 53,688,399.12

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Solution

The fourth proportional to 119,343,949.47, 179,015,973.87 and 53,688,399.12 is: 80,532,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,343,949.47 : 179,015,973.87 = 53,688,399.12 : x
  2. Step 2: Convert to fraction form
    119,343,949.47/179,015,973.87 = 53,688,399.12/x
  3. Step 3: Cross multiply
    119,343,949.47x = 179,015,973.87 × 53,688,399.12
  4. Step 4: Simplify right side
    119,343,949.47x = 9,611,081,053,988,050
  5. Step 5: Solve for x
    x = 9,611,081,053,988,050/119,343,949.47
  6. Step 6: Final answer
    x = 80,532,621.02

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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.