Home / 100,357,820.35-150,543,986.14-42,006,813.02

Finding the Fourth Proportional to 100,357,820.35, 150,543,986.14 and 42,006,813.02

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Solution

The fourth proportional to 100,357,820.35, 150,543,986.14 and 42,006,813.02 is: 63,013,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,357,820.35 : 150,543,986.14 = 42,006,813.02 : x
  2. Step 2: Convert to fraction form
    100,357,820.35/150,543,986.14 = 42,006,813.02/x
  3. Step 3: Cross multiply
    100,357,820.35x = 150,543,986.14 × 42,006,813.02
  4. Step 4: Simplify right side
    100,357,820.35x = 6,323,873,076,315,731
  5. Step 5: Solve for x
    x = 6,323,873,076,315,731/100,357,820.35
  6. Step 6: Final answer
    x = 63,013,256.51

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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.