Home / 261,676,492.16-361,115,931.31-144,206,031.56

Finding the Fourth Proportional to 261,676,492.16, 361,115,931.31 and 144,206,031.56

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Solution

The fourth proportional to 261,676,492.16, 361,115,931.31 and 144,206,031.56 is: 199,005,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,676,492.16 : 361,115,931.31 = 144,206,031.56 : x
  2. Step 2: Convert to fraction form
    261,676,492.16/361,115,931.31 = 144,206,031.56/x
  3. Step 3: Cross multiply
    261,676,492.16x = 361,115,931.31 × 144,206,031.56
  4. Step 4: Simplify right side
    261,676,492.16x = 52,075,095,385,142,560
  5. Step 5: Solve for x
    x = 52,075,095,385,142,560/261,676,492.16
  6. Step 6: Final answer
    x = 199,005,630.79

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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.