Home / 42,090,825.80-63,136,238.70-19,416,009.80

Finding the Fourth Proportional to 42,090,825.80, 63,136,238.70 and 19,416,009.80

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Solution

The fourth proportional to 42,090,825.80, 63,136,238.70 and 19,416,009.80 is: 29,124,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,090,825.80 : 63,136,238.70 = 19,416,009.80 : x
  2. Step 2: Convert to fraction form
    42,090,825.80/63,136,238.70 = 19,416,009.80/x
  3. Step 3: Cross multiply
    42,090,825.80x = 63,136,238.70 × 19,416,009.80
  4. Step 4: Simplify right side
    42,090,825.80x = 1,225,853,829,334,339.25
  5. Step 5: Solve for x
    x = 1,225,853,829,334,339.25/42,090,825.80
  6. Step 6: Final answer
    x = 29,124,014.70

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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.