Home / 86,962,216.70-130,443,325.05-82,710,688.70

Finding the Fourth Proportional to 86,962,216.70, 130,443,325.05 and 82,710,688.70

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Solution

The fourth proportional to 86,962,216.70, 130,443,325.05 and 82,710,688.70 is: 124,066,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,962,216.70 : 130,443,325.05 = 82,710,688.70 : x
  2. Step 2: Convert to fraction form
    86,962,216.70/130,443,325.05 = 82,710,688.70/x
  3. Step 3: Cross multiply
    86,962,216.70x = 130,443,325.05 × 82,710,688.70
  4. Step 4: Simplify right side
    86,962,216.70x = 10,789,057,251,203,462
  5. Step 5: Solve for x
    x = 10,789,057,251,203,462/86,962,216.70
  6. Step 6: Final answer
    x = 124,066,033.05

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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.