Home / 199,348,537.10-299,078,792.85-97,115,909.90

Finding the Fourth Proportional to 199,348,537.10, 299,078,792.85 and 97,115,909.90

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Solution

The fourth proportional to 199,348,537.10, 299,078,792.85 and 97,115,909.90 is: 145,701,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,348,537.10 : 299,078,792.85 = 97,115,909.90 : x
  2. Step 2: Convert to fraction form
    199,348,537.10/299,078,792.85 = 97,115,909.90/x
  3. Step 3: Cross multiply
    199,348,537.10x = 299,078,792.85 × 97,115,909.90
  4. Step 4: Simplify right side
    199,348,537.10x = 29,045,309,099,421,368
  5. Step 5: Solve for x
    x = 29,045,309,099,421,368/199,348,537.10
  6. Step 6: Final answer
    x = 145,701,139.93

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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.