Home / 243,439,946.64-335,983,184.28-154,140,192

Finding the Fourth Proportional to 243,439,946.64, 335,983,184.28 and 154,140,192

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Solution

The fourth proportional to 243,439,946.64, 335,983,184.28 and 154,140,192 is: 212,736,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,439,946.64 : 335,983,184.28 = 154,140,192 : x
  2. Step 2: Convert to fraction form
    243,439,946.64/335,983,184.28 = 154,140,192/x
  3. Step 3: Cross multiply
    243,439,946.64x = 335,983,184.28 × 154,140,192
  4. Step 4: Simplify right side
    243,439,946.64x = 51,788,512,533,690,576
  5. Step 5: Solve for x
    x = 51,788,512,533,690,576/243,439,946.64
  6. Step 6: Final answer
    x = 212,736,295.95

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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.