Home / 103,065,307.20-154,597,960.80-98,026,459.20

Finding the Fourth Proportional to 103,065,307.20, 154,597,960.80 and 98,026,459.20

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Solution

The fourth proportional to 103,065,307.20, 154,597,960.80 and 98,026,459.20 is: 147,039,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,065,307.20 : 154,597,960.80 = 98,026,459.20 : x
  2. Step 2: Convert to fraction form
    103,065,307.20/154,597,960.80 = 98,026,459.20/x
  3. Step 3: Cross multiply
    103,065,307.20x = 154,597,960.80 × 98,026,459.20
  4. Step 4: Simplify right side
    103,065,307.20x = 15,154,690,696,764,400
  5. Step 5: Solve for x
    x = 15,154,690,696,764,400/103,065,307.20
  6. Step 6: Final answer
    x = 147,039,688.80

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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.