Home / 84,549,529.32-116,681,222.76-80,675,324.40

Finding the Fourth Proportional to 84,549,529.32, 116,681,222.76 and 80,675,324.40

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Solution

The fourth proportional to 84,549,529.32, 116,681,222.76 and 80,675,324.40 is: 111,334,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,549,529.32 : 116,681,222.76 = 80,675,324.40 : x
  2. Step 2: Convert to fraction form
    84,549,529.32/116,681,222.76 = 80,675,324.40/x
  3. Step 3: Cross multiply
    84,549,529.32x = 116,681,222.76 × 80,675,324.40
  4. Step 4: Simplify right side
    84,549,529.32x = 9,413,295,497,551,664
  5. Step 5: Solve for x
    x = 9,413,295,497,551,664/84,549,529.32
  6. Step 6: Final answer
    x = 111,334,688.36

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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.