Home / 209,953,876.70-314,930,815.05-152,133,095.90

Finding the Fourth Proportional to 209,953,876.70, 314,930,815.05 and 152,133,095.90

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Solution

The fourth proportional to 209,953,876.70, 314,930,815.05 and 152,133,095.90 is: 228,199,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,876.70 : 314,930,815.05 = 152,133,095.90 : x
  2. Step 2: Convert to fraction form
    209,953,876.70/314,930,815.05 = 152,133,095.90/x
  3. Step 3: Cross multiply
    209,953,876.70x = 314,930,815.05 × 152,133,095.90
  4. Step 4: Simplify right side
    209,953,876.70x = 47,911,399,887,866,816
  5. Step 5: Solve for x
    x = 47,911,399,887,866,816/209,953,876.70
  6. Step 6: Final answer
    x = 228,199,643.85

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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.