Home / 254,307,713.40-381,461,570.10-90,730,173.60

Finding the Fourth Proportional to 254,307,713.40, 381,461,570.10 and 90,730,173.60

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Solution

The fourth proportional to 254,307,713.40, 381,461,570.10 and 90,730,173.60 is: 136,095,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,307,713.40 : 381,461,570.10 = 90,730,173.60 : x
  2. Step 2: Convert to fraction form
    254,307,713.40/381,461,570.10 = 90,730,173.60/x
  3. Step 3: Cross multiply
    254,307,713.40x = 381,461,570.10 × 90,730,173.60
  4. Step 4: Simplify right side
    254,307,713.40x = 34,610,074,476,901,568
  5. Step 5: Solve for x
    x = 34,610,074,476,901,568/254,307,713.40
  6. Step 6: Final answer
    x = 136,095,260.40

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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.