Home / 208,476,327.03-287,577,802.24-130,023,677.40

Finding the Fourth Proportional to 208,476,327.03, 287,577,802.24 and 130,023,677.40

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Solution

The fourth proportional to 208,476,327.03, 287,577,802.24 and 130,023,677.40 is: 179,358,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,476,327.03 : 287,577,802.24 = 130,023,677.40 : x
  2. Step 2: Convert to fraction form
    208,476,327.03/287,577,802.24 = 130,023,677.40/x
  3. Step 3: Cross multiply
    208,476,327.03x = 287,577,802.24 × 130,023,677.40
  4. Step 4: Simplify right side
    208,476,327.03x = 37,391,923,385,854,760
  5. Step 5: Solve for x
    x = 37,391,923,385,854,760/208,476,327.03
  6. Step 6: Final answer
    x = 179,358,126.26

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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.