Home / 115,355,536,888.40-172,895,555,825.40-48,202,652,128.40

Finding the Fourth Proportional to 115,355,536,888.40, 172,895,555,825.40 and 48,202,652,128.40

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Solution

The fourth proportional to 115,355,536,888.40, 172,895,555,825.40 and 48,202,652,128.40 is: 72,246,417,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,355,536,888.40 : 172,895,555,825.40 = 48,202,652,128.40 : x
  2. Step 2: Convert to fraction form
    115,355,536,888.40/172,895,555,825.40 = 48,202,652,128.40/x
  3. Step 3: Cross multiply
    115,355,536,888.40x = 172,895,555,825.40 × 48,202,652,128.40
  4. Step 4: Simplify right side
    115,355,536,888.40x = 8,334,024,331,998,118,543,360
  5. Step 5: Solve for x
    x = 8,334,024,331,998,118,543,360/115,355,536,888.40
  6. Step 6: Final answer
    x = 72,246,417,959.64

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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.