Home / 139,955,217.10-209,778,860.85-49,032,004.30

Finding the Fourth Proportional to 139,955,217.10, 209,778,860.85 and 49,032,004.30

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Solution

The fourth proportional to 139,955,217.10, 209,778,860.85 and 49,032,004.30 is: 73,494,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,955,217.10 : 209,778,860.85 = 49,032,004.30 : x
  2. Step 2: Convert to fraction form
    139,955,217.10/209,778,860.85 = 49,032,004.30/x
  3. Step 3: Cross multiply
    139,955,217.10x = 209,778,860.85 × 49,032,004.30
  4. Step 4: Simplify right side
    139,955,217.10x = 10,285,878,007,246,300
  5. Step 5: Solve for x
    x = 10,285,878,007,246,300/139,955,217.10
  6. Step 6: Final answer
    x = 73,494,066.32

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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.