Home / 57,742,419.17-79,657,827.77-51,133,742.57

Finding the Fourth Proportional to 57,742,419.17, 79,657,827.77 and 51,133,742.57

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Solution

The fourth proportional to 57,742,419.17, 79,657,827.77 and 51,133,742.57 is: 70,540,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,742,419.17 : 79,657,827.77 = 51,133,742.57 : x
  2. Step 2: Convert to fraction form
    57,742,419.17/79,657,827.77 = 51,133,742.57/x
  3. Step 3: Cross multiply
    57,742,419.17x = 79,657,827.77 × 51,133,742.57
  4. Step 4: Simplify right side
    57,742,419.17x = 4,073,202,859,203,555.50
  5. Step 5: Solve for x
    x = 4,073,202,859,203,555.50/57,742,419.17
  6. Step 6: Final answer
    x = 70,540,911.13

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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.