Home / 94,378,003.20-130,210,208.64-76,944,314.88

Finding the Fourth Proportional to 94,378,003.20, 130,210,208.64 and 76,944,314.88

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Solution

The fourth proportional to 94,378,003.20, 130,210,208.64 and 76,944,314.88 is: 106,157,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,378,003.20 : 130,210,208.64 = 76,944,314.88 : x
  2. Step 2: Convert to fraction form
    94,378,003.20/130,210,208.64 = 76,944,314.88/x
  3. Step 3: Cross multiply
    94,378,003.20x = 130,210,208.64 × 76,944,314.88
  4. Step 4: Simplify right side
    94,378,003.20x = 10,018,935,294,186,656
  5. Step 5: Solve for x
    x = 10,018,935,294,186,656/94,378,003.20
  6. Step 6: Final answer
    x = 106,157,525.64

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1.5x scale

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.