Home / 57,370,938.15-86,081,820.12-30,070,742.88

Finding the Fourth Proportional to 57,370,938.15, 86,081,820.12 and 30,070,742.88

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Solution

The fourth proportional to 57,370,938.15, 86,081,820.12 and 30,070,742.88 is: 45,119,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370,938.15 : 86,081,820.12 = 30,070,742.88 : x
  2. Step 2: Convert to fraction form
    57,370,938.15/86,081,820.12 = 30,070,742.88/x
  3. Step 3: Cross multiply
    57,370,938.15x = 86,081,820.12 × 30,070,742.88
  4. Step 4: Simplify right side
    57,370,938.15x = 2,588,544,279,470,931
  5. Step 5: Solve for x
    x = 2,588,544,279,470,931/57,370,938.15
  6. Step 6: Final answer
    x = 45,119,434.39

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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.