Home / 190,034,345.40-262,186,448.52-106,390,181.92

Finding the Fourth Proportional to 190,034,345.40, 262,186,448.52 and 106,390,181.92

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Solution

The fourth proportional to 190,034,345.40, 262,186,448.52 and 106,390,181.92 is: 146,784,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,034,345.40 : 262,186,448.52 = 106,390,181.92 : x
  2. Step 2: Convert to fraction form
    190,034,345.40/262,186,448.52 = 106,390,181.92/x
  3. Step 3: Cross multiply
    190,034,345.40x = 262,186,448.52 × 106,390,181.92
  4. Step 4: Simplify right side
    190,034,345.40x = 27,894,063,955,001,516
  5. Step 5: Solve for x
    x = 27,894,063,955,001,516/190,034,345.40
  6. Step 6: Final answer
    x = 146,784,329.41

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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.