Home / 185,819,215.71-256,357,941.13-106,391,828.01

Finding the Fourth Proportional to 185,819,215.71, 256,357,941.13 and 106,391,828.01

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Solution

The fourth proportional to 185,819,215.71, 256,357,941.13 and 106,391,828.01 is: 146,779,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,819,215.71 : 256,357,941.13 = 106,391,828.01 : x
  2. Step 2: Convert to fraction form
    185,819,215.71/256,357,941.13 = 106,391,828.01/x
  3. Step 3: Cross multiply
    185,819,215.71x = 256,357,941.13 × 106,391,828.01
  4. Step 4: Simplify right side
    185,819,215.71x = 27,274,389,981,700,664
  5. Step 5: Solve for x
    x = 27,274,389,981,700,664/185,819,215.71
  6. Step 6: Final answer
    x = 146,779,168.55

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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.