Home / 102,615,666.68-153,923,499.86-25,938,694.94

Finding the Fourth Proportional to 102,615,666.68, 153,923,499.86 and 25,938,694.94

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Solution

The fourth proportional to 102,615,666.68, 153,923,499.86 and 25,938,694.94 is: 38,908,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,666.68 : 153,923,499.86 = 25,938,694.94 : x
  2. Step 2: Convert to fraction form
    102,615,666.68/153,923,499.86 = 25,938,694.94/x
  3. Step 3: Cross multiply
    102,615,666.68x = 153,923,499.86 × 25,938,694.94
  4. Step 4: Simplify right side
    102,615,666.68x = 3,992,574,706,066,361
  5. Step 5: Solve for x
    x = 3,992,574,706,066,361/102,615,666.68
  6. Step 6: Final answer
    x = 38,908,042.36

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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.