Home / 86,702,821.51-130,047,692.02-27,612,813.91

Finding the Fourth Proportional to 86,702,821.51, 130,047,692.02 and 27,612,813.91

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Solution

The fourth proportional to 86,702,821.51, 130,047,692.02 and 27,612,813.91 is: 41,417,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,702,821.51 : 130,047,692.02 = 27,612,813.91 : x
  2. Step 2: Convert to fraction form
    86,702,821.51/130,047,692.02 = 27,612,813.91/x
  3. Step 3: Cross multiply
    86,702,821.51x = 130,047,692.02 × 27,612,813.91
  4. Step 4: Simplify right side
    86,702,821.51x = 3,590,982,719,173,252
  5. Step 5: Solve for x
    x = 3,590,982,719,173,252/86,702,821.51
  6. Step 6: Final answer
    x = 41,417,137.95

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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.