Home / 102,615,665.56-153,923,498.17-25,938,693.81

Finding the Fourth Proportional to 102,615,665.56, 153,923,498.17 and 25,938,693.81

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Solution

The fourth proportional to 102,615,665.56, 153,923,498.17 and 25,938,693.81 is: 38,908,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,665.56 : 153,923,498.17 = 25,938,693.81 : x
  2. Step 2: Convert to fraction form
    102,615,665.56/153,923,498.17 = 25,938,693.81/x
  3. Step 3: Cross multiply
    102,615,665.56x = 153,923,498.17 × 25,938,693.81
  4. Step 4: Simplify right side
    102,615,665.56x = 3,992,574,489,130,878
  5. Step 5: Solve for x
    x = 3,992,574,489,130,878/102,615,665.56
  6. Step 6: Final answer
    x = 38,908,040.67

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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.