Home / 108,727,538.20-163,091,307.30-103,688,690.20

Finding the Fourth Proportional to 108,727,538.20, 163,091,307.30 and 103,688,690.20

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Solution

The fourth proportional to 108,727,538.20, 163,091,307.30 and 103,688,690.20 is: 155,533,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727,538.20 : 163,091,307.30 = 103,688,690.20 : x
  2. Step 2: Convert to fraction form
    108,727,538.20/163,091,307.30 = 103,688,690.20/x
  3. Step 3: Cross multiply
    108,727,538.20x = 163,091,307.30 × 103,688,690.20
  4. Step 4: Simplify right side
    108,727,538.20x = 16,910,724,036,942,700
  5. Step 5: Solve for x
    x = 16,910,724,036,942,700/108,727,538.20
  6. Step 6: Final answer
    x = 155,533,035.30

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Similar ratio
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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.