Home / 186,336,037.84-257,162,867.04-112,020,657.28

Finding the Fourth Proportional to 186,336,037.84, 257,162,867.04 and 112,020,657.28

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Solution

The fourth proportional to 186,336,037.84, 257,162,867.04 and 112,020,657.28 is: 154,600,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,336,037.84 : 257,162,867.04 = 112,020,657.28 : x
  2. Step 2: Convert to fraction form
    186,336,037.84/257,162,867.04 = 112,020,657.28/x
  3. Step 3: Cross multiply
    186,336,037.84x = 257,162,867.04 × 112,020,657.28
  4. Step 4: Simplify right side
    186,336,037.84x = 28,807,553,393,830,048
  5. Step 5: Solve for x
    x = 28,807,553,393,830,048/186,336,037.84
  6. Step 6: Final answer
    x = 154,600,010.43

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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.