Home / 144,559,547.76-199,494,494.22-78,479,993.22

Finding the Fourth Proportional to 144,559,547.76, 199,494,494.22 and 78,479,993.22

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Solution

The fourth proportional to 144,559,547.76, 199,494,494.22 and 78,479,993.22 is: 108,303,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,559,547.76 : 199,494,494.22 = 78,479,993.22 : x
  2. Step 2: Convert to fraction form
    144,559,547.76/199,494,494.22 = 78,479,993.22/x
  3. Step 3: Cross multiply
    144,559,547.76x = 199,494,494.22 × 78,479,993.22
  4. Step 4: Simplify right side
    144,559,547.76x = 15,656,326,553,812,928
  5. Step 5: Solve for x
    x = 15,656,326,553,812,928/144,559,547.76
  6. Step 6: Final answer
    x = 108,303,649.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.