Home / 285,071,088.87-427,768,392.91-153,911,617.74

Finding the Fourth Proportional to 285,071,088.87, 427,768,392.91 and 153,911,617.74

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Solution

The fourth proportional to 285,071,088.87, 427,768,392.91 and 153,911,617.74 is: 230,954,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,071,088.87 : 427,768,392.91 = 153,911,617.74 : x
  2. Step 2: Convert to fraction form
    285,071,088.87/427,768,392.91 = 153,911,617.74/x
  3. Step 3: Cross multiply
    285,071,088.87x = 427,768,392.91 × 153,911,617.74
  4. Step 4: Simplify right side
    285,071,088.87x = 65,838,525,369,063,992
  5. Step 5: Solve for x
    x = 65,838,525,369,063,992/285,071,088.87
  6. Step 6: Final answer
    x = 230,954,761.60

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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.