Home / 185,321,814.64-278,006,341.56-70,339,239.88

Finding the Fourth Proportional to 185,321,814.64, 278,006,341.56 and 70,339,239.88

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Solution

The fourth proportional to 185,321,814.64, 278,006,341.56 and 70,339,239.88 is: 105,517,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,321,814.64 : 278,006,341.56 = 70,339,239.88 : x
  2. Step 2: Convert to fraction form
    185,321,814.64/278,006,341.56 = 70,339,239.88/x
  3. Step 3: Cross multiply
    185,321,814.64x = 278,006,341.56 × 70,339,239.88
  4. Step 4: Simplify right side
    185,321,814.64x = 19,554,754,746,191,264
  5. Step 5: Solve for x
    x = 19,554,754,746,191,264/185,321,814.64
  6. Step 6: Final answer
    x = 105,517,824.68

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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.