Home / 48,492,751.40-72,739,127.10-19,724,078.60

Finding the Fourth Proportional to 48,492,751.40, 72,739,127.10 and 19,724,078.60

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Solution

The fourth proportional to 48,492,751.40, 72,739,127.10 and 19,724,078.60 is: 29,586,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,751.40 : 72,739,127.10 = 19,724,078.60 : x
  2. Step 2: Convert to fraction form
    48,492,751.40/72,739,127.10 = 19,724,078.60/x
  3. Step 3: Cross multiply
    48,492,751.40x = 72,739,127.10 × 19,724,078.60
  4. Step 4: Simplify right side
    48,492,751.40x = 1,434,712,260,215,790
  5. Step 5: Solve for x
    x = 1,434,712,260,215,790/48,492,751.40
  6. Step 6: Final answer
    x = 29,586,117.90

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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.