Home / 43,011,011.40-64,474,526.70-38,476,048.20

Finding the Fourth Proportional to 43,011,011.40, 64,474,526.70 and 38,476,048.20

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Solution

The fourth proportional to 43,011,011.40, 64,474,526.70 and 38,476,048.20 is: 57,676,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,011,011.40 : 64,474,526.70 = 38,476,048.20 : x
  2. Step 2: Convert to fraction form
    43,011,011.40/64,474,526.70 = 38,476,048.20/x
  3. Step 3: Cross multiply
    43,011,011.40x = 64,474,526.70 × 38,476,048.20
  4. Step 4: Simplify right side
    43,011,011.40x = 2,480,724,996,981,387
  5. Step 5: Solve for x
    x = 2,480,724,996,981,387/43,011,011.40
  6. Step 6: Final answer
    x = 57,676,509.25

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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.