Home / 105,007,763.40-157,464,405.90-40,290,059.40

Finding the Fourth Proportional to 105,007,763.40, 157,464,405.90 and 40,290,059.40

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Solution

The fourth proportional to 105,007,763.40, 157,464,405.90 and 40,290,059.40 is: 60,416,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007,763.40 : 157,464,405.90 = 40,290,059.40 : x
  2. Step 2: Convert to fraction form
    105,007,763.40/157,464,405.90 = 40,290,059.40/x
  3. Step 3: Cross multiply
    105,007,763.40x = 157,464,405.90 × 40,290,059.40
  4. Step 4: Simplify right side
    105,007,763.40x = 6,344,250,267,096,710
  5. Step 5: Solve for x
    x = 6,344,250,267,096,710/105,007,763.40
  6. Step 6: Final answer
    x = 60,416,964.06

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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.