Home / 103,695,631.92-155,507,427.72-57,707,680.50

Finding the Fourth Proportional to 103,695,631.92, 155,507,427.72 and 57,707,680.50

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Solution

The fourth proportional to 103,695,631.92, 155,507,427.72 and 57,707,680.50 is: 86,541,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695,631.92 : 155,507,427.72 = 57,707,680.50 : x
  2. Step 2: Convert to fraction form
    103,695,631.92/155,507,427.72 = 57,707,680.50/x
  3. Step 3: Cross multiply
    103,695,631.92x = 155,507,427.72 × 57,707,680.50
  4. Step 4: Simplify right side
    103,695,631.92x = 8,973,972,954,242,603
  5. Step 5: Solve for x
    x = 8,973,972,954,242,603/103,695,631.92
  6. Step 6: Final answer
    x = 86,541,475.16

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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.