Home / 193,148,087.40-289,722,131.10-147,798,455.40

Finding the Fourth Proportional to 193,148,087.40, 289,722,131.10 and 147,798,455.40

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Solution

The fourth proportional to 193,148,087.40, 289,722,131.10 and 147,798,455.40 is: 221,697,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,148,087.40 : 289,722,131.10 = 147,798,455.40 : x
  2. Step 2: Convert to fraction form
    193,148,087.40/289,722,131.10 = 147,798,455.40/x
  3. Step 3: Cross multiply
    193,148,087.40x = 289,722,131.10 × 147,798,455.40
  4. Step 4: Simplify right side
    193,148,087.40x = 42,820,483,471,776,312
  5. Step 5: Solve for x
    x = 42,820,483,471,776,312/193,148,087.40
  6. Step 6: Final answer
    x = 221,697,683.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.