Home / 105,007,629.90-157,464,205.65-40,289,925.90

Finding the Fourth Proportional to 105,007,629.90, 157,464,205.65 and 40,289,925.90

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Solution

The fourth proportional to 105,007,629.90, 157,464,205.65 and 40,289,925.90 is: 60,416,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007,629.90 : 157,464,205.65 = 40,289,925.90 : x
  2. Step 2: Convert to fraction form
    105,007,629.90/157,464,205.65 = 40,289,925.90/x
  3. Step 3: Cross multiply
    105,007,629.90x = 157,464,205.65 × 40,289,925.90
  4. Step 4: Simplify right side
    105,007,629.90x = 6,344,221,177,540,861
  5. Step 5: Solve for x
    x = 6,344,221,177,540,861/105,007,629.90
  6. Step 6: Final answer
    x = 60,416,763.84

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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.