Home / 209,952,438.70-314,928,658.06-102,457,014.70

Finding the Fourth Proportional to 209,952,438.70, 314,928,658.06 and 102,457,014.70

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Solution

The fourth proportional to 209,952,438.70, 314,928,658.06 and 102,457,014.70 is: 153,685,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,438.70 : 314,928,658.06 = 102,457,014.70 : x
  2. Step 2: Convert to fraction form
    209,952,438.70/314,928,658.06 = 102,457,014.70/x
  3. Step 3: Cross multiply
    209,952,438.70x = 314,928,658.06 × 102,457,014.70
  4. Step 4: Simplify right side
    209,952,438.70x = 32,266,650,148,304,696
  5. Step 5: Solve for x
    x = 32,266,650,148,304,696/209,952,438.70
  6. Step 6: Final answer
    x = 153,685,522.05

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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.