Home / 261,676,492.66-361,115,932-144,206,032.06

Finding the Fourth Proportional to 261,676,492.66, 361,115,932 and 144,206,032.06

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Solution

The fourth proportional to 261,676,492.66, 361,115,932 and 144,206,032.06 is: 199,005,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,676,492.66 : 361,115,932 = 144,206,032.06 : x
  2. Step 2: Convert to fraction form
    261,676,492.66/361,115,932 = 144,206,032.06/x
  3. Step 3: Cross multiply
    261,676,492.66x = 361,115,932 × 144,206,032.06
  4. Step 4: Simplify right side
    261,676,492.66x = 52,075,095,665,563,200
  5. Step 5: Solve for x
    x = 52,075,095,665,563,200/261,676,492.66
  6. Step 6: Final answer
    x = 199,005,631.48

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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.