Home / 208,482,701.51-287,706,016.73-114,397,466.40

Finding the Fourth Proportional to 208,482,701.51, 287,706,016.73 and 114,397,466.40

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Solution

The fourth proportional to 208,482,701.51, 287,706,016.73 and 114,397,466.40 is: 157,868,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,482,701.51 : 287,706,016.73 = 114,397,466.40 : x
  2. Step 2: Convert to fraction form
    208,482,701.51/287,706,016.73 = 114,397,466.40/x
  3. Step 3: Cross multiply
    208,482,701.51x = 287,706,016.73 × 114,397,466.40
  4. Step 4: Simplify right side
    208,482,701.51x = 32,912,839,382,234,012
  5. Step 5: Solve for x
    x = 32,912,839,382,234,012/208,482,701.51
  6. Step 6: Final answer
    x = 157,868,442.53

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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.