Home / 151,881,036.90-209,595,837.94-82,266,417.68

Finding the Fourth Proportional to 151,881,036.90, 209,595,837.94 and 82,266,417.68

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Solution

The fourth proportional to 151,881,036.90, 209,595,837.94 and 82,266,417.68 is: 113,527,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,881,036.90 : 209,595,837.94 = 82,266,417.68 : x
  2. Step 2: Convert to fraction form
    151,881,036.90/209,595,837.94 = 82,266,417.68/x
  3. Step 3: Cross multiply
    151,881,036.90x = 209,595,837.94 × 82,266,417.68
  4. Step 4: Simplify right side
    151,881,036.90x = 17,242,698,747,961,632
  5. Step 5: Solve for x
    x = 17,242,698,747,961,632/151,881,036.90
  6. Step 6: Final answer
    x = 113,527,660.20

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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.