Home / 85,378,834.08-117,822,645.36-46,220,595.84

Finding the Fourth Proportional to 85,378,834.08, 117,822,645.36 and 46,220,595.84

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Solution

The fourth proportional to 85,378,834.08, 117,822,645.36 and 46,220,595.84 is: 63,784,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,378,834.08 : 117,822,645.36 = 46,220,595.84 : x
  2. Step 2: Convert to fraction form
    85,378,834.08/117,822,645.36 = 46,220,595.84/x
  3. Step 3: Cross multiply
    85,378,834.08x = 117,822,645.36 × 46,220,595.84
  4. Step 4: Simplify right side
    85,378,834.08x = 5,445,832,871,984,212
  5. Step 5: Solve for x
    x = 5,445,832,871,984,212/85,378,834.08
  6. Step 6: Final answer
    x = 63,784,343.40

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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.