Home / 156,372,153.01-215,793,597.59-86,757,367.82

Finding the Fourth Proportional to 156,372,153.01, 215,793,597.59 and 86,757,367.82

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Solution

The fourth proportional to 156,372,153.01, 215,793,597.59 and 86,757,367.82 is: 119,725,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,372,153.01 : 215,793,597.59 = 86,757,367.82 : x
  2. Step 2: Convert to fraction form
    156,372,153.01/215,793,597.59 = 86,757,367.82/x
  3. Step 3: Cross multiply
    156,372,153.01x = 215,793,597.59 × 86,757,367.82
  4. Step 4: Simplify right side
    156,372,153.01x = 18,721,684,518,129,280
  5. Step 5: Solve for x
    x = 18,721,684,518,129,280/156,372,153.01
  6. Step 6: Final answer
    x = 119,725,182.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.