Home / 77,310,614.69-115,713,581.10-56,834,909.81

Finding the Fourth Proportional to 77,310,614.69, 115,713,581.10 and 56,834,909.81

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Solution

The fourth proportional to 77,310,614.69, 115,713,581.10 and 56,834,909.81 is: 85,066,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,310,614.69 : 115,713,581.10 = 56,834,909.81 : x
  2. Step 2: Convert to fraction form
    77,310,614.69/115,713,581.10 = 56,834,909.81/x
  3. Step 3: Cross multiply
    77,310,614.69x = 115,713,581.10 × 56,834,909.81
  4. Step 4: Simplify right side
    77,310,614.69x = 6,576,570,945,032,052
  5. Step 5: Solve for x
    x = 6,576,570,945,032,052/77,310,614.69
  6. Step 6: Final answer
    x = 85,066,856.24

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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.