Home / 103,490,747.40-155,236,121.10-97,113,455.40

Finding the Fourth Proportional to 103,490,747.40, 155,236,121.10 and 97,113,455.40

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Solution

The fourth proportional to 103,490,747.40, 155,236,121.10 and 97,113,455.40 is: 145,670,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,490,747.40 : 155,236,121.10 = 97,113,455.40 : x
  2. Step 2: Convert to fraction form
    103,490,747.40/155,236,121.10 = 97,113,455.40/x
  3. Step 3: Cross multiply
    103,490,747.40x = 155,236,121.10 × 97,113,455.40
  4. Step 4: Simplify right side
    103,490,747.40x = 15,075,516,122,913,850
  5. Step 5: Solve for x
    x = 15,075,516,122,913,850/103,490,747.40
  6. Step 6: Final answer
    x = 145,670,183.10

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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.