Home / 55,150,547.20-82,725,820.80-38,144,435.20

Finding the Fourth Proportional to 55,150,547.20, 82,725,820.80 and 38,144,435.20

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Solution

The fourth proportional to 55,150,547.20, 82,725,820.80 and 38,144,435.20 is: 57,216,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150,547.20 : 82,725,820.80 = 38,144,435.20 : x
  2. Step 2: Convert to fraction form
    55,150,547.20/82,725,820.80 = 38,144,435.20/x
  3. Step 3: Cross multiply
    55,150,547.20x = 82,725,820.80 × 38,144,435.20
  4. Step 4: Simplify right side
    55,150,547.20x = 3,155,529,710,872,412.50
  5. Step 5: Solve for x
    x = 3,155,529,710,872,412.50/55,150,547.20
  6. Step 6: Final answer
    x = 57,216,652.80

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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.