Home / 280,243,582.74-420,185,748.51-116,594,863.38

Finding the Fourth Proportional to 280,243,582.74, 420,185,748.51 and 116,594,863.38

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Solution

The fourth proportional to 280,243,582.74, 420,185,748.51 and 116,594,863.38 is: 174,817,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,243,582.74 : 420,185,748.51 = 116,594,863.38 : x
  2. Step 2: Convert to fraction form
    280,243,582.74/420,185,748.51 = 116,594,863.38/x
  3. Step 3: Cross multiply
    280,243,582.74x = 420,185,748.51 × 116,594,863.38
  4. Step 4: Simplify right side
    280,243,582.74x = 48,991,499,941,746,488
  5. Step 5: Solve for x
    x = 48,991,499,941,746,488/280,243,582.74
  6. Step 6: Final answer
    x = 174,817,562.15

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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.