Home / 153,146,052.77-211,359,420.15-87,076,450.62

Finding the Fourth Proportional to 153,146,052.77, 211,359,420.15 and 87,076,450.62

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Solution

The fourth proportional to 153,146,052.77, 211,359,420.15 and 87,076,450.62 is: 120,175,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,146,052.77 : 211,359,420.15 = 87,076,450.62 : x
  2. Step 2: Convert to fraction form
    153,146,052.77/211,359,420.15 = 87,076,450.62/x
  3. Step 3: Cross multiply
    153,146,052.77x = 211,359,420.15 × 87,076,450.62
  4. Step 4: Simplify right side
    153,146,052.77x = 18,404,428,111,017,220
  5. Step 5: Solve for x
    x = 18,404,428,111,017,220/153,146,052.77
  6. Step 6: Final answer
    x = 120,175,660.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.