Home / 66,876,258.40-92,250,041.70-42,057,077.92

Finding the Fourth Proportional to 66,876,258.40, 92,250,041.70 and 42,057,077.92

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Solution

The fourth proportional to 66,876,258.40, 92,250,041.70 and 42,057,077.92 is: 58,014,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876,258.40 : 92,250,041.70 = 42,057,077.92 : x
  2. Step 2: Convert to fraction form
    66,876,258.40/92,250,041.70 = 42,057,077.92/x
  3. Step 3: Cross multiply
    66,876,258.40x = 92,250,041.70 × 42,057,077.92
  4. Step 4: Simplify right side
    66,876,258.40x = 3,879,767,191,900,149.50
  5. Step 5: Solve for x
    x = 3,879,767,191,900,149.50/66,876,258.40
  6. Step 6: Final answer
    x = 58,014,118.68

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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.