Home / 124,749,624.34-172,085,365.65-72,532,886.86

Finding the Fourth Proportional to 124,749,624.34, 172,085,365.65 and 72,532,886.86

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Solution

The fourth proportional to 124,749,624.34, 172,085,365.65 and 72,532,886.86 is: 100,055,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,749,624.34 : 172,085,365.65 = 72,532,886.86 : x
  2. Step 2: Convert to fraction form
    124,749,624.34/172,085,365.65 = 72,532,886.86/x
  3. Step 3: Cross multiply
    124,749,624.34x = 172,085,365.65 × 72,532,886.86
  4. Step 4: Simplify right side
    124,749,624.34x = 12,481,848,356,953,180
  5. Step 5: Solve for x
    x = 12,481,848,356,953,180/124,749,624.34
  6. Step 6: Final answer
    x = 100,055,197.95

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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.