Home / 209,952,348.30-314,928,522.45-56,613,905.10

Finding the Fourth Proportional to 209,952,348.30, 314,928,522.45 and 56,613,905.10

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Solution

The fourth proportional to 209,952,348.30, 314,928,522.45 and 56,613,905.10 is: 84,920,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,348.30 : 314,928,522.45 = 56,613,905.10 : x
  2. Step 2: Convert to fraction form
    209,952,348.30/314,928,522.45 = 56,613,905.10/x
  3. Step 3: Cross multiply
    209,952,348.30x = 314,928,522.45 × 56,613,905.10
  4. Step 4: Simplify right side
    209,952,348.30x = 17,829,333,483,267,520
  5. Step 5: Solve for x
    x = 17,829,333,483,267,520/209,952,348.30
  6. Step 6: Final answer
    x = 84,920,857.65

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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.