Home / 147,191,189.64-203,125,185.07-81,114,058.74

Finding the Fourth Proportional to 147,191,189.64, 203,125,185.07 and 81,114,058.74

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Solution

The fourth proportional to 147,191,189.64, 203,125,185.07 and 81,114,058.74 is: 111,938,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,189.64 : 203,125,185.07 = 81,114,058.74 : x
  2. Step 2: Convert to fraction form
    147,191,189.64/203,125,185.07 = 81,114,058.74/x
  3. Step 3: Cross multiply
    147,191,189.64x = 203,125,185.07 × 81,114,058.74
  4. Step 4: Simplify right side
    147,191,189.64x = 16,476,308,191,920,154
  5. Step 5: Solve for x
    x = 16,476,308,191,920,154/147,191,189.64
  6. Step 6: Final answer
    x = 111,938,141.35

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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.