Home / 112,335,221.80-168,502,832.70-47,628,015.40

Finding the Fourth Proportional to 112,335,221.80, 168,502,832.70 and 47,628,015.40

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Solution

The fourth proportional to 112,335,221.80, 168,502,832.70 and 47,628,015.40 is: 71,442,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335,221.80 : 168,502,832.70 = 47,628,015.40 : x
  2. Step 2: Convert to fraction form
    112,335,221.80/168,502,832.70 = 47,628,015.40/x
  3. Step 3: Cross multiply
    112,335,221.80x = 168,502,832.70 × 47,628,015.40
  4. Step 4: Simplify right side
    112,335,221.80x = 8,025,455,510,779,223
  5. Step 5: Solve for x
    x = 8,025,455,510,779,223/112,335,221.80
  6. Step 6: Final answer
    x = 71,442,023.10

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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.