Home / 147,917,555.36-204,132,235.01-81,836,977.40

Finding the Fourth Proportional to 147,917,555.36, 204,132,235.01 and 81,836,977.40

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Solution

The fourth proportional to 147,917,555.36, 204,132,235.01 and 81,836,977.40 is: 112,938,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917,555.36 : 204,132,235.01 = 81,836,977.40 : x
  2. Step 2: Convert to fraction form
    147,917,555.36/204,132,235.01 = 81,836,977.40/x
  3. Step 3: Cross multiply
    147,917,555.36x = 204,132,235.01 × 81,836,977.40
  4. Step 4: Simplify right side
    147,917,555.36x = 16,705,565,101,695,012
  5. Step 5: Solve for x
    x = 16,705,565,101,695,012/147,917,555.36
  6. Step 6: Final answer
    x = 112,938,353.14

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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.