Home / 209,919,345.20-314,938,000.20-102,217,482.80

Finding the Fourth Proportional to 209,919,345.20, 314,938,000.20 and 102,217,482.80

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Solution

The fourth proportional to 209,919,345.20, 314,938,000.20 and 102,217,482.80 is: 153,354,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,919,345.20 : 314,938,000.20 = 102,217,482.80 : x
  2. Step 2: Convert to fraction form
    209,919,345.20/314,938,000.20 = 102,217,482.80/x
  3. Step 3: Cross multiply
    209,919,345.20x = 314,938,000.20 × 102,217,482.80
  4. Step 4: Simplify right side
    209,919,345.20x = 32,192,169,618,509,896
  5. Step 5: Solve for x
    x = 32,192,169,618,509,896/209,919,345.20
  6. Step 6: Final answer
    x = 153,354,944.91

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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.