Home / 77,166,700.08-115,725,671.40-25,342,763.28

Finding the Fourth Proportional to 77,166,700.08, 115,725,671.40 and 25,342,763.28

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Solution

The fourth proportional to 77,166,700.08, 115,725,671.40 and 25,342,763.28 is: 38,006,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,166,700.08 : 115,725,671.40 = 25,342,763.28 : x
  2. Step 2: Convert to fraction form
    77,166,700.08/115,725,671.40 = 25,342,763.28/x
  3. Step 3: Cross multiply
    77,166,700.08x = 115,725,671.40 × 25,342,763.28
  4. Step 4: Simplify right side
    77,166,700.08x = 2,932,808,295,709,266.50
  5. Step 5: Solve for x
    x = 2,932,808,295,709,266.50/77,166,700.08
  6. Step 6: Final answer
    x = 38,006,138.56

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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.