Home / 123,484,454.19-170,408,790.36-67,730,328.41

Finding the Fourth Proportional to 123,484,454.19, 170,408,790.36 and 67,730,328.41

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Solution

The fourth proportional to 123,484,454.19, 170,408,790.36 and 67,730,328.41 is: 93,467,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,484,454.19 : 170,408,790.36 = 67,730,328.41 : x
  2. Step 2: Convert to fraction form
    123,484,454.19/170,408,790.36 = 67,730,328.41/x
  3. Step 3: Cross multiply
    123,484,454.19x = 170,408,790.36 × 67,730,328.41
  4. Step 4: Simplify right side
    123,484,454.19x = 11,541,843,334,181,600
  5. Step 5: Solve for x
    x = 11,541,843,334,181,600/123,484,454.19
  6. Step 6: Final answer
    x = 93,467,986.80

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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.