Home / 67,896,840.32-101,844,263.28-16,778,857.76

Finding the Fourth Proportional to 67,896,840.32, 101,844,263.28 and 16,778,857.76

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Solution

The fourth proportional to 67,896,840.32, 101,844,263.28 and 16,778,857.76 is: 25,168,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896,840.32 : 101,844,263.28 = 16,778,857.76 : x
  2. Step 2: Convert to fraction form
    67,896,840.32/101,844,263.28 = 16,778,857.76/x
  3. Step 3: Cross multiply
    67,896,840.32x = 101,844,263.28 × 16,778,857.76
  4. Step 4: Simplify right side
    67,896,840.32x = 1,708,830,407,247,111.25
  5. Step 5: Solve for x
    x = 1,708,830,407,247,111.25/67,896,840.32
  6. Step 6: Final answer
    x = 25,168,040.21

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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.