Home / 42,760,443.20-64,066,015.20-36,788,475.20

Finding the Fourth Proportional to 42,760,443.20, 64,066,015.20 and 36,788,475.20

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Solution

The fourth proportional to 42,760,443.20, 64,066,015.20 and 36,788,475.20 is: 55,118,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,760,443.20 : 64,066,015.20 = 36,788,475.20 : x
  2. Step 2: Convert to fraction form
    42,760,443.20/64,066,015.20 = 36,788,475.20/x
  3. Step 3: Cross multiply
    42,760,443.20x = 64,066,015.20 × 36,788,475.20
  4. Step 4: Simplify right side
    42,760,443.20x = 2,356,891,011,348,023.50
  5. Step 5: Solve for x
    x = 2,356,891,011,348,023.50/42,760,443.20
  6. Step 6: Final answer
    x = 55,118,488.84

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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.