Home / 48,355,501.60-72,470,266.80-19,578,080.80

Finding the Fourth Proportional to 48,355,501.60, 72,470,266.80 and 19,578,080.80

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Solution

The fourth proportional to 48,355,501.60, 72,470,266.80 and 19,578,080.80 is: 29,341,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,355,501.60 : 72,470,266.80 = 19,578,080.80 : x
  2. Step 2: Convert to fraction form
    48,355,501.60/72,470,266.80 = 19,578,080.80/x
  3. Step 3: Cross multiply
    48,355,501.60x = 72,470,266.80 × 19,578,080.80
  4. Step 4: Simplify right side
    48,355,501.60x = 1,418,828,739,007,957.50
  5. Step 5: Solve for x
    x = 1,418,828,739,007,957.50/48,355,501.60
  6. Step 6: Final answer
    x = 29,341,619.71

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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.