Home / 74,686,101.40-112,029,152.10-70,151,138.20

Finding the Fourth Proportional to 74,686,101.40, 112,029,152.10 and 70,151,138.20

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Solution

The fourth proportional to 74,686,101.40, 112,029,152.10 and 70,151,138.20 is: 105,226,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686,101.40 : 112,029,152.10 = 70,151,138.20 : x
  2. Step 2: Convert to fraction form
    74,686,101.40/112,029,152.10 = 70,151,138.20/x
  3. Step 3: Cross multiply
    74,686,101.40x = 112,029,152.10 × 70,151,138.20
  4. Step 4: Simplify right side
    74,686,101.40x = 7,858,972,531,395,920
  5. Step 5: Solve for x
    x = 7,858,972,531,395,920/74,686,101.40
  6. Step 6: Final answer
    x = 105,226,707.30

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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.