Home / 123,058,467.60-184,587,701.40-77,141,965.20

Finding the Fourth Proportional to 123,058,467.60, 184,587,701.40 and 77,141,965.20

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Solution

The fourth proportional to 123,058,467.60, 184,587,701.40 and 77,141,965.20 is: 115,712,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,058,467.60 : 184,587,701.40 = 77,141,965.20 : x
  2. Step 2: Convert to fraction form
    123,058,467.60/184,587,701.40 = 77,141,965.20/x
  3. Step 3: Cross multiply
    123,058,467.60x = 184,587,701.40 × 77,141,965.20
  4. Step 4: Simplify right side
    123,058,467.60x = 14,239,458,037,746,792
  5. Step 5: Solve for x
    x = 14,239,458,037,746,792/123,058,467.60
  6. Step 6: Final answer
    x = 115,712,947.80

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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.