Home / 209,952,479.70-314,928,719.55-102,457,055.70

Finding the Fourth Proportional to 209,952,479.70, 314,928,719.55 and 102,457,055.70

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Solution

The fourth proportional to 209,952,479.70, 314,928,719.55 and 102,457,055.70 is: 153,685,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,479.70 : 314,928,719.55 = 102,457,055.70 : x
  2. Step 2: Convert to fraction form
    209,952,479.70/314,928,719.55 = 102,457,055.70/x
  3. Step 3: Cross multiply
    209,952,479.70x = 314,928,719.55 × 102,457,055.70
  4. Step 4: Simplify right side
    209,952,479.70x = 32,266,669,360,464,032
  5. Step 5: Solve for x
    x = 32,266,669,360,464,032/209,952,479.70
  6. Step 6: Final answer
    x = 153,685,583.55

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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.