Home / 285,071,089.37-427,768,393.67-153,911,618.24

Finding the Fourth Proportional to 285,071,089.37, 427,768,393.67 and 153,911,618.24

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Solution

The fourth proportional to 285,071,089.37, 427,768,393.67 and 153,911,618.24 is: 230,954,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,071,089.37 : 427,768,393.67 = 153,911,618.24 : x
  2. Step 2: Convert to fraction form
    285,071,089.37/427,768,393.67 = 153,911,618.24/x
  3. Step 3: Cross multiply
    285,071,089.37x = 427,768,393.67 × 153,911,618.24
  4. Step 4: Simplify right side
    285,071,089.37x = 65,838,525,698,766,680
  5. Step 5: Solve for x
    x = 65,838,525,698,766,680/285,071,089.37
  6. Step 6: Final answer
    x = 230,954,762.36

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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.