Home / 86,943,960.70-130,415,941.05-56,332,959.10

Finding the Fourth Proportional to 86,943,960.70, 130,415,941.05 and 56,332,959.10

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Solution

The fourth proportional to 86,943,960.70, 130,415,941.05 and 56,332,959.10 is: 84,499,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,960.70 : 130,415,941.05 = 56,332,959.10 : x
  2. Step 2: Convert to fraction form
    86,943,960.70/130,415,941.05 = 56,332,959.10/x
  3. Step 3: Cross multiply
    86,943,960.70x = 130,415,941.05 × 56,332,959.10
  4. Step 4: Simplify right side
    86,943,960.70x = 7,346,715,873,157,661
  5. Step 5: Solve for x
    x = 7,346,715,873,157,661/86,943,960.70
  6. Step 6: Final answer
    x = 84,499,438.65

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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.