Home / 103,166,041.20-154,749,061.80-99,197,948.40

Finding the Fourth Proportional to 103,166,041.20, 154,749,061.80 and 99,197,948.40

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Solution

The fourth proportional to 103,166,041.20, 154,749,061.80 and 99,197,948.40 is: 148,796,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,166,041.20 : 154,749,061.80 = 99,197,948.40 : x
  2. Step 2: Convert to fraction form
    103,166,041.20/154,749,061.80 = 99,197,948.40/x
  3. Step 3: Cross multiply
    103,166,041.20x = 154,749,061.80 × 99,197,948.40
  4. Step 4: Simplify right side
    103,166,041.20x = 15,350,789,447,384,814
  5. Step 5: Solve for x
    x = 15,350,789,447,384,814/103,166,041.20
  6. Step 6: Final answer
    x = 148,796,922.60

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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.