Home / 55,779,371.10-83,669,056.65-19,864,619.10

Finding the Fourth Proportional to 55,779,371.10, 83,669,056.65 and 19,864,619.10

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Solution

The fourth proportional to 55,779,371.10, 83,669,056.65 and 19,864,619.10 is: 29,796,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779,371.10 : 83,669,056.65 = 19,864,619.10 : x
  2. Step 2: Convert to fraction form
    55,779,371.10/83,669,056.65 = 19,864,619.10/x
  3. Step 3: Cross multiply
    55,779,371.10x = 83,669,056.65 × 19,864,619.10
  4. Step 4: Simplify right side
    55,779,371.10x = 1,662,053,940,808,572.25
  5. Step 5: Solve for x
    x = 1,662,053,940,808,572.25/55,779,371.10
  6. Step 6: Final answer
    x = 29,796,928.65

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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.