Home / 280,908,042.80-421,362,064.20-183,973,204.40

Finding the Fourth Proportional to 280,908,042.80, 421,362,064.20 and 183,973,204.40

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Solution

The fourth proportional to 280,908,042.80, 421,362,064.20 and 183,973,204.40 is: 275,959,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,042.80 : 421,362,064.20 = 183,973,204.40 : x
  2. Step 2: Convert to fraction form
    280,908,042.80/421,362,064.20 = 183,973,204.40/x
  3. Step 3: Cross multiply
    280,908,042.80x = 421,362,064.20 × 183,973,204.40
  4. Step 4: Simplify right side
    280,908,042.80x = 77,519,329,163,472,528
  5. Step 5: Solve for x
    x = 77,519,329,163,472,528/280,908,042.80
  6. Step 6: Final answer
    x = 275,959,806.60

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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.