Home / 48,355,493.10-72,470,254.05-19,578,072.30

Finding the Fourth Proportional to 48,355,493.10, 72,470,254.05 and 19,578,072.30

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Solution

The fourth proportional to 48,355,493.10, 72,470,254.05 and 19,578,072.30 is: 29,341,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,355,493.10 : 72,470,254.05 = 19,578,072.30 : x
  2. Step 2: Convert to fraction form
    48,355,493.10/72,470,254.05 = 19,578,072.30/x
  3. Step 3: Cross multiply
    48,355,493.10x = 72,470,254.05 × 19,578,072.30
  4. Step 4: Simplify right side
    48,355,493.10x = 1,418,827,873,390,267.75
  5. Step 5: Solve for x
    x = 1,418,827,873,390,267.75/48,355,493.10
  6. Step 6: Final answer
    x = 29,341,606.97

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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.