Home / 73,520,146.40-110,280,219.60-70,172,068.10

Finding the Fourth Proportional to 73,520,146.40, 110,280,219.60 and 70,172,068.10

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Solution

The fourth proportional to 73,520,146.40, 110,280,219.60 and 70,172,068.10 is: 105,258,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,520,146.40 : 110,280,219.60 = 70,172,068.10 : x
  2. Step 2: Convert to fraction form
    73,520,146.40/110,280,219.60 = 70,172,068.10/x
  3. Step 3: Cross multiply
    73,520,146.40x = 110,280,219.60 × 70,172,068.10
  4. Step 4: Simplify right side
    73,520,146.40x = 7,738,591,079,854,154
  5. Step 5: Solve for x
    x = 7,738,591,079,854,154/73,520,146.40
  6. Step 6: Final answer
    x = 105,258,102.15

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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.