Home / 163,724,906.10-245,587,359.15-66,630,635.40

Finding the Fourth Proportional to 163,724,906.10, 245,587,359.15 and 66,630,635.40

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Solution

The fourth proportional to 163,724,906.10, 245,587,359.15 and 66,630,635.40 is: 99,945,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,724,906.10 : 245,587,359.15 = 66,630,635.40 : x
  2. Step 2: Convert to fraction form
    163,724,906.10/245,587,359.15 = 66,630,635.40/x
  3. Step 3: Cross multiply
    163,724,906.10x = 245,587,359.15 × 66,630,635.40
  4. Step 4: Simplify right side
    163,724,906.10x = 16,363,641,786,372,504
  5. Step 5: Solve for x
    x = 16,363,641,786,372,504/163,724,906.10
  6. Step 6: Final answer
    x = 99,945,953.10

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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.