Home / 84,309,619.15-116,311,647.70-56,441,308.08

Finding the Fourth Proportional to 84,309,619.15, 116,311,647.70 and 56,441,308.08

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Solution

The fourth proportional to 84,309,619.15, 116,311,647.70 and 56,441,308.08 is: 77,865,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309,619.15 : 116,311,647.70 = 56,441,308.08 : x
  2. Step 2: Convert to fraction form
    84,309,619.15/116,311,647.70 = 56,441,308.08/x
  3. Step 3: Cross multiply
    84,309,619.15x = 116,311,647.70 × 56,441,308.08
  4. Step 4: Simplify right side
    84,309,619.15x = 6,564,781,541,128,123
  5. Step 5: Solve for x
    x = 6,564,781,541,128,123/84,309,619.15
  6. Step 6: Final answer
    x = 77,865,154.74

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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.