Home / 208,577,036.04-287,836,625.01-113,207,578.98

Finding the Fourth Proportional to 208,577,036.04, 287,836,625.01 and 113,207,578.98

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Solution

The fourth proportional to 208,577,036.04, 287,836,625.01 and 113,207,578.98 is: 156,226,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,577,036.04 : 287,836,625.01 = 113,207,578.98 : x
  2. Step 2: Convert to fraction form
    208,577,036.04/287,836,625.01 = 113,207,578.98/x
  3. Step 3: Cross multiply
    208,577,036.04x = 287,836,625.01 × 113,207,578.98
  4. Step 4: Simplify right side
    208,577,036.04x = 32,585,287,459,156,220
  5. Step 5: Solve for x
    x = 32,585,287,459,156,220/208,577,036.04
  6. Step 6: Final answer
    x = 156,226,630.11

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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.