Home / 147,191,216.04-203,125,221.54-81,114,085.20

Finding the Fourth Proportional to 147,191,216.04, 203,125,221.54 and 81,114,085.20

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Solution

The fourth proportional to 147,191,216.04, 203,125,221.54 and 81,114,085.20 is: 111,938,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,216.04 : 203,125,221.54 = 81,114,085.20 : x
  2. Step 2: Convert to fraction form
    147,191,216.04/203,125,221.54 = 81,114,085.20/x
  3. Step 3: Cross multiply
    147,191,216.04x = 203,125,221.54 × 81,114,085.20
  4. Step 4: Simplify right side
    147,191,216.04x = 16,476,316,526,264,436
  5. Step 5: Solve for x
    x = 16,476,316,526,264,436/147,191,216.04
  6. Step 6: Final answer
    x = 111,938,177.90

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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.