Home / 137,178,528.90-205,724,428.78-45,047,078.79

Finding the Fourth Proportional to 137,178,528.90, 205,724,428.78 and 45,047,078.79

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Solution

The fourth proportional to 137,178,528.90, 205,724,428.78 and 45,047,078.79 is: 67,556,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,178,528.90 : 205,724,428.78 = 45,047,078.79 : x
  2. Step 2: Convert to fraction form
    137,178,528.90/205,724,428.78 = 45,047,078.79/x
  3. Step 3: Cross multiply
    137,178,528.90x = 205,724,428.78 × 45,047,078.79
  4. Step 4: Simplify right side
    137,178,528.90x = 9,267,284,551,480,558
  5. Step 5: Solve for x
    x = 9,267,284,551,480,558/137,178,528.90
  6. Step 6: Final answer
    x = 67,556,378.00

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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.