Home / 186,156,109.99-256,887,141.51-106,714,219.78

Finding the Fourth Proportional to 186,156,109.99, 256,887,141.51 and 106,714,219.78

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Solution

The fourth proportional to 186,156,109.99, 256,887,141.51 and 106,714,219.78 is: 147,260,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,156,109.99 : 256,887,141.51 = 106,714,219.78 : x
  2. Step 2: Convert to fraction form
    186,156,109.99/256,887,141.51 = 106,714,219.78/x
  3. Step 3: Cross multiply
    186,156,109.99x = 256,887,141.51 × 106,714,219.78
  4. Step 4: Simplify right side
    186,156,109.99x = 27,413,510,877,754,100
  5. Step 5: Solve for x
    x = 27,413,510,877,754,100/186,156,109.99
  6. Step 6: Final answer
    x = 147,260,870.89

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1.5x scale

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.