Home / 163,724,904.60-245,587,356.90-66,630,633.90

Finding the Fourth Proportional to 163,724,904.60, 245,587,356.90 and 66,630,633.90

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Solution

The fourth proportional to 163,724,904.60, 245,587,356.90 and 66,630,633.90 is: 99,945,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,724,904.60 : 245,587,356.90 = 66,630,633.90 : x
  2. Step 2: Convert to fraction form
    163,724,904.60/245,587,356.90 = 66,630,633.90/x
  3. Step 3: Cross multiply
    163,724,904.60x = 245,587,356.90 × 66,630,633.90
  4. Step 4: Simplify right side
    163,724,904.60x = 16,363,641,268,072,538
  5. Step 5: Solve for x
    x = 16,363,641,268,072,538/163,724,904.60
  6. Step 6: Final answer
    x = 99,945,950.85

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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.