Home / 208,627,258.08-288,101,663.28-134,418,090.72

Finding the Fourth Proportional to 208,627,258.08, 288,101,663.28 and 134,418,090.72

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Solution

The fourth proportional to 208,627,258.08, 288,101,663.28 and 134,418,090.72 is: 185,623,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,627,258.08 : 288,101,663.28 = 134,418,090.72 : x
  2. Step 2: Convert to fraction form
    208,627,258.08/288,101,663.28 = 134,418,090.72/x
  3. Step 3: Cross multiply
    208,627,258.08x = 288,101,663.28 × 134,418,090.72
  4. Step 4: Simplify right side
    208,627,258.08x = 38,726,075,511,353,928
  5. Step 5: Solve for x
    x = 38,726,075,511,353,928/208,627,258.08
  6. Step 6: Final answer
    x = 185,623,277.93

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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.