Home / 102,615,666.31-153,923,499.29-25,938,694.56

Finding the Fourth Proportional to 102,615,666.31, 153,923,499.29 and 25,938,694.56

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Solution

The fourth proportional to 102,615,666.31, 153,923,499.29 and 25,938,694.56 is: 38,908,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,666.31 : 153,923,499.29 = 25,938,694.56 : x
  2. Step 2: Convert to fraction form
    102,615,666.31/153,923,499.29 = 25,938,694.56/x
  3. Step 3: Cross multiply
    102,615,666.31x = 153,923,499.29 × 25,938,694.56
  4. Step 4: Simplify right side
    102,615,666.31x = 3,992,574,633,754,533
  5. Step 5: Solve for x
    x = 3,992,574,633,754,533/102,615,666.31
  6. Step 6: Final answer
    x = 38,908,041.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.