Home / 208,046,551.10-287,094,038.13-113,961,115.49

Finding the Fourth Proportional to 208,046,551.10, 287,094,038.13 and 113,961,115.49

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Solution

The fourth proportional to 208,046,551.10, 287,094,038.13 and 113,961,115.49 is: 157,260,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,046,551.10 : 287,094,038.13 = 113,961,115.49 : x
  2. Step 2: Convert to fraction form
    208,046,551.10/287,094,038.13 = 113,961,115.49/x
  3. Step 3: Cross multiply
    208,046,551.10x = 287,094,038.13 × 113,961,115.49
  4. Step 4: Simplify right side
    208,046,551.10x = 32,717,556,834,387,924
  5. Step 5: Solve for x
    x = 32,717,556,834,387,924/208,046,551.10
  6. Step 6: Final answer
    x = 157,260,750.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.