Home / 153,547,785.82-230,321,678.74-51,311,823.46

Finding the Fourth Proportional to 153,547,785.82, 230,321,678.74 and 51,311,823.46

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Solution

The fourth proportional to 153,547,785.82, 230,321,678.74 and 51,311,823.46 is: 76,967,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,547,785.82 : 230,321,678.74 = 51,311,823.46 : x
  2. Step 2: Convert to fraction form
    153,547,785.82/230,321,678.74 = 51,311,823.46/x
  3. Step 3: Cross multiply
    153,547,785.82x = 230,321,678.74 × 51,311,823.46
  4. Step 4: Simplify right side
    153,547,785.82x = 11,818,225,318,517,716
  5. Step 5: Solve for x
    x = 11,818,225,318,517,716/153,547,785.82
  6. Step 6: Final answer
    x = 76,967,735.19

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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.