Home / 56,134,155.60-84,201,233.40-19,742,256.90

Finding the Fourth Proportional to 56,134,155.60, 84,201,233.40 and 19,742,256.90

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Solution

The fourth proportional to 56,134,155.60, 84,201,233.40 and 19,742,256.90 is: 29,613,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134,155.60 : 84,201,233.40 = 19,742,256.90 : x
  2. Step 2: Convert to fraction form
    56,134,155.60/84,201,233.40 = 19,742,256.90/x
  3. Step 3: Cross multiply
    56,134,155.60x = 84,201,233.40 × 19,742,256.90
  4. Step 4: Simplify right side
    56,134,155.60x = 1,662,322,381,079,660.50
  5. Step 5: Solve for x
    x = 1,662,322,381,079,660.50/56,134,155.60
  6. Step 6: Final answer
    x = 29,613,385.35

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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.