Home / 147,114,750.15-203,018,356.67-81,035,044.52

Finding the Fourth Proportional to 147,114,750.15, 203,018,356.67 and 81,035,044.52

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Solution

The fourth proportional to 147,114,750.15, 203,018,356.67 and 81,035,044.52 is: 111,828,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,114,750.15 : 203,018,356.67 = 81,035,044.52 : x
  2. Step 2: Convert to fraction form
    147,114,750.15/203,018,356.67 = 81,035,044.52/x
  3. Step 3: Cross multiply
    147,114,750.15x = 203,018,356.67 × 81,035,044.52
  4. Step 4: Simplify right side
    147,114,750.15x = 16,451,601,569,710,422
  5. Step 5: Solve for x
    x = 16,451,601,569,710,422/147,114,750.15
  6. Step 6: Final answer
    x = 111,828,362.23

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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.