Home / 135,364,513-186,803,261.22-77,417,761

Finding the Fourth Proportional to 135,364,513, 186,803,261.22 and 77,417,761

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Solution

The fourth proportional to 135,364,513, 186,803,261.22 and 77,417,761 is: 106,836,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,364,513 : 186,803,261.22 = 77,417,761 : x
  2. Step 2: Convert to fraction form
    135,364,513/186,803,261.22 = 77,417,761/x
  3. Step 3: Cross multiply
    135,364,513x = 186,803,261.22 × 77,417,761
  4. Step 4: Simplify right side
    135,364,513x = 14,461,890,231,150,528
  5. Step 5: Solve for x
    x = 14,461,890,231,150,528/135,364,513
  6. Step 6: Final answer
    x = 106,836,643.60

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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.