Home / 30,155,680.80-45,233,521.20-25,133,563.35

Finding the Fourth Proportional to 30,155,680.80, 45,233,521.20 and 25,133,563.35

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Solution

The fourth proportional to 30,155,680.80, 45,233,521.20 and 25,133,563.35 is: 37,700,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155,680.80 : 45,233,521.20 = 25,133,563.35 : x
  2. Step 2: Convert to fraction form
    30,155,680.80/45,233,521.20 = 25,133,563.35/x
  3. Step 3: Cross multiply
    30,155,680.80x = 45,233,521.20 × 25,133,563.35
  4. Step 4: Simplify right side
    30,155,680.80x = 1,136,879,570,623,768.25
  5. Step 5: Solve for x
    x = 1,136,879,570,623,768.25/30,155,680.80
  6. Step 6: Final answer
    x = 37,700,345.03

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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.