Home / 99,716,898.96-149,628,011.40-70,757,864.28

Finding the Fourth Proportional to 99,716,898.96, 149,628,011.40 and 70,757,864.28

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Solution

The fourth proportional to 99,716,898.96, 149,628,011.40 and 70,757,864.28 is: 106,174,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,716,898.96 : 149,628,011.40 = 70,757,864.28 : x
  2. Step 2: Convert to fraction form
    99,716,898.96/149,628,011.40 = 70,757,864.28/x
  3. Step 3: Cross multiply
    99,716,898.96x = 149,628,011.40 × 70,757,864.28
  4. Step 4: Simplify right side
    99,716,898.96x = 10,587,358,523,127,494
  5. Step 5: Solve for x
    x = 10,587,358,523,127,494/99,716,898.96
  6. Step 6: Final answer
    x = 106,174,165.40

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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.