Home / 111,893,765.61-153,295,005.74-107,700,018.25

Finding the Fourth Proportional to 111,893,765.61, 153,295,005.74 and 107,700,018.25

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Solution

The fourth proportional to 111,893,765.61, 153,295,005.74 and 107,700,018.25 is: 147,549,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,893,765.61 : 153,295,005.74 = 107,700,018.25 : x
  2. Step 2: Convert to fraction form
    111,893,765.61/153,295,005.74 = 107,700,018.25/x
  3. Step 3: Cross multiply
    111,893,765.61x = 153,295,005.74 × 107,700,018.25
  4. Step 4: Simplify right side
    111,893,765.61x = 16,509,874,915,831,856
  5. Step 5: Solve for x
    x = 16,509,874,915,831,856/111,893,765.61
  6. Step 6: Final answer
    x = 147,549,551.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.