Home / 72,120,710,625.84-108,181,069,301.70-49,408,668,733.74

Finding the Fourth Proportional to 72,120,710,625.84, 108,181,069,301.70 and 49,408,668,733.74

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Solution

The fourth proportional to 72,120,710,625.84, 108,181,069,301.70 and 49,408,668,733.74 is: 74,113,005,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,120,710,625.84 : 108,181,069,301.70 = 49,408,668,733.74 : x
  2. Step 2: Convert to fraction form
    72,120,710,625.84/108,181,069,301.70 = 49,408,668,733.74/x
  3. Step 3: Cross multiply
    72,120,710,625.84x = 108,181,069,301.70 × 49,408,668,733.74
  4. Step 4: Simplify right side
    72,120,710,625.84x = 5,345,082,616,389,464,752,128
  5. Step 5: Solve for x
    x = 5,345,082,616,389,464,752,128/72,120,710,625.84
  6. Step 6: Final answer
    x = 74,113,005,404.50

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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.