Home / 185,527,509.40-278,291,264.10-168,507,400.60

Finding the Fourth Proportional to 185,527,509.40, 278,291,264.10 and 168,507,400.60

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Solution

The fourth proportional to 185,527,509.40, 278,291,264.10 and 168,507,400.60 is: 252,761,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,527,509.40 : 278,291,264.10 = 168,507,400.60 : x
  2. Step 2: Convert to fraction form
    185,527,509.40/278,291,264.10 = 168,507,400.60/x
  3. Step 3: Cross multiply
    185,527,509.40x = 278,291,264.10 × 168,507,400.60
  4. Step 4: Simplify right side
    185,527,509.40x = 46,894,137,523,179,104
  5. Step 5: Solve for x
    x = 46,894,137,523,179,104/185,527,509.40
  6. Step 6: Final answer
    x = 252,761,100.90

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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.