Home / 74,686,116.40-112,029,174.60-70,151,153.20

Finding the Fourth Proportional to 74,686,116.40, 112,029,174.60 and 70,151,153.20

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Solution

The fourth proportional to 74,686,116.40, 112,029,174.60 and 70,151,153.20 is: 105,226,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686,116.40 : 112,029,174.60 = 70,151,153.20 : x
  2. Step 2: Convert to fraction form
    74,686,116.40/112,029,174.60 = 70,151,153.20/x
  3. Step 3: Cross multiply
    74,686,116.40x = 112,029,174.60 × 70,151,153.20
  4. Step 4: Simplify right side
    74,686,116.40x = 7,858,975,790,234,149
  5. Step 5: Solve for x
    x = 7,858,975,790,234,149/74,686,116.40
  6. Step 6: Final answer
    x = 105,226,729.80

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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.