Home / 108,640,427.40-162,960,641.10-57,622,091.40

Finding the Fourth Proportional to 108,640,427.40, 162,960,641.10 and 57,622,091.40

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Solution

The fourth proportional to 108,640,427.40, 162,960,641.10 and 57,622,091.40 is: 86,433,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,640,427.40 : 162,960,641.10 = 57,622,091.40 : x
  2. Step 2: Convert to fraction form
    108,640,427.40/162,960,641.10 = 57,622,091.40/x
  3. Step 3: Cross multiply
    108,640,427.40x = 162,960,641.10 × 57,622,091.40
  4. Step 4: Simplify right side
    108,640,427.40x = 9,390,132,956,066,796
  5. Step 5: Solve for x
    x = 9,390,132,956,066,796/108,640,427.40
  6. Step 6: Final answer
    x = 86,433,137.10

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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.