Home / 135,364,516-186,803,265.36-77,417,764

Finding the Fourth Proportional to 135,364,516, 186,803,265.36 and 77,417,764

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Solution

The fourth proportional to 135,364,516, 186,803,265.36 and 77,417,764 is: 106,836,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,364,516 : 186,803,265.36 = 77,417,764 : x
  2. Step 2: Convert to fraction form
    135,364,516/186,803,265.36 = 77,417,764/x
  3. Step 3: Cross multiply
    135,364,516x = 186,803,265.36 × 77,417,764
  4. Step 4: Simplify right side
    135,364,516x = 14,461,891,112,069,856
  5. Step 5: Solve for x
    x = 14,461,891,112,069,856/135,364,516
  6. Step 6: Final answer
    x = 106,836,647.74

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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.