Home / 42,124,703.40-63,168,392.70-19,412,562.60

Finding the Fourth Proportional to 42,124,703.40, 63,168,392.70 and 19,412,562.60

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Solution

The fourth proportional to 42,124,703.40, 63,168,392.70 and 19,412,562.60 is: 29,110,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124,703.40 : 63,168,392.70 = 19,412,562.60 : x
  2. Step 2: Convert to fraction form
    42,124,703.40/63,168,392.70 = 19,412,562.60/x
  3. Step 3: Cross multiply
    42,124,703.40x = 63,168,392.70 × 19,412,562.60
  4. Step 4: Simplify right side
    42,124,703.40x = 1,226,260,377,630,133.25
  5. Step 5: Solve for x
    x = 1,226,260,377,630,133.25/42,124,703.40
  6. Step 6: Final answer
    x = 29,110,243.60

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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.