Home / 84,549,530.32-116,681,224.14-80,675,325.40

Finding the Fourth Proportional to 84,549,530.32, 116,681,224.14 and 80,675,325.40

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Solution

The fourth proportional to 84,549,530.32, 116,681,224.14 and 80,675,325.40 is: 111,334,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,549,530.32 : 116,681,224.14 = 80,675,325.40 : x
  2. Step 2: Convert to fraction form
    84,549,530.32/116,681,224.14 = 80,675,325.40/x
  3. Step 3: Cross multiply
    84,549,530.32x = 116,681,224.14 × 80,675,325.40
  4. Step 4: Simplify right side
    84,549,530.32x = 9,413,295,725,564,836
  5. Step 5: Solve for x
    x = 9,413,295,725,564,836/84,549,530.32
  6. Step 6: Final answer
    x = 111,334,689.74

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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.