Home / 127,763,670.44-191,645,483.78-40,386,524.98

Finding the Fourth Proportional to 127,763,670.44, 191,645,483.78 and 40,386,524.98

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Solution

The fourth proportional to 127,763,670.44, 191,645,483.78 and 40,386,524.98 is: 60,579,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,763,670.44 : 191,645,483.78 = 40,386,524.98 : x
  2. Step 2: Convert to fraction form
    127,763,670.44/191,645,483.78 = 40,386,524.98/x
  3. Step 3: Cross multiply
    127,763,670.44x = 191,645,483.78 × 40,386,524.98
  4. Step 4: Simplify right side
    127,763,670.44x = 7,739,895,117,985,154
  5. Step 5: Solve for x
    x = 7,739,895,117,985,154/127,763,670.44
  6. Step 6: Final answer
    x = 60,579,780.55

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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.