Home / 123,315,221.17-184,934,109.40-40,298,043.51

Finding the Fourth Proportional to 123,315,221.17, 184,934,109.40 and 40,298,043.51

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Solution

The fourth proportional to 123,315,221.17, 184,934,109.40 and 40,298,043.51 is: 60,434,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,315,221.17 : 184,934,109.40 = 40,298,043.51 : x
  2. Step 2: Convert to fraction form
    123,315,221.17/184,934,109.40 = 40,298,043.51/x
  3. Step 3: Cross multiply
    123,315,221.17x = 184,934,109.40 × 40,298,043.51
  4. Step 4: Simplify right side
    123,315,221.17x = 7,452,482,787,210,030
  5. Step 5: Solve for x
    x = 7,452,482,787,210,030/123,315,221.17
  6. Step 6: Final answer
    x = 60,434,411.23

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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.