Home / 199,348,543.10-299,078,801.85-97,115,915.90

Finding the Fourth Proportional to 199,348,543.10, 299,078,801.85 and 97,115,915.90

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Solution

The fourth proportional to 199,348,543.10, 299,078,801.85 and 97,115,915.90 is: 145,701,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,348,543.10 : 299,078,801.85 = 97,115,915.90 : x
  2. Step 2: Convert to fraction form
    199,348,543.10/299,078,801.85 = 97,115,915.90/x
  3. Step 3: Cross multiply
    199,348,543.10x = 299,078,801.85 × 97,115,915.90
  4. Step 4: Simplify right side
    199,348,543.10x = 29,045,311,767,937,368
  5. Step 5: Solve for x
    x = 29,045,311,767,937,368/199,348,543.10
  6. Step 6: Final answer
    x = 145,701,148.93

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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.