Home / 209,953,002.30-314,929,503.45-73,638,385.80

Finding the Fourth Proportional to 209,953,002.30, 314,929,503.45 and 73,638,385.80

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Solution

The fourth proportional to 209,953,002.30, 314,929,503.45 and 73,638,385.80 is: 110,457,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,002.30 : 314,929,503.45 = 73,638,385.80 : x
  2. Step 2: Convert to fraction form
    209,953,002.30/314,929,503.45 = 73,638,385.80/x
  3. Step 3: Cross multiply
    209,953,002.30x = 314,929,503.45 × 73,638,385.80
  4. Step 4: Simplify right side
    209,953,002.30x = 23,190,900,274,853,528
  5. Step 5: Solve for x
    x = 23,190,900,274,853,528/209,953,002.30
  6. Step 6: Final answer
    x = 110,457,578.70

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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.