Home / 113,341,410-170,005,346.64-66,681,109.44

Finding the Fourth Proportional to 113,341,410, 170,005,346.64 and 66,681,109.44

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Solution

The fourth proportional to 113,341,410, 170,005,346.64 and 66,681,109.44 is: 100,017,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,341,410 : 170,005,346.64 = 66,681,109.44 : x
  2. Step 2: Convert to fraction form
    113,341,410/170,005,346.64 = 66,681,109.44/x
  3. Step 3: Cross multiply
    113,341,410x = 170,005,346.64 × 66,681,109.44
  4. Step 4: Simplify right side
    113,341,410x = 11,336,145,124,686,974
  5. Step 5: Solve for x
    x = 11,336,145,124,686,974/113,341,410
  6. Step 6: Final answer
    x = 100,017,682.19

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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.