Home / 77,117,347.35-115,671,946.86-25,295,123.75

Finding the Fourth Proportional to 77,117,347.35, 115,671,946.86 and 25,295,123.75

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Solution

The fourth proportional to 77,117,347.35, 115,671,946.86 and 25,295,123.75 is: 37,941,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,117,347.35 : 115,671,946.86 = 25,295,123.75 : x
  2. Step 2: Convert to fraction form
    77,117,347.35/115,671,946.86 = 25,295,123.75/x
  3. Step 3: Cross multiply
    77,117,347.35x = 115,671,946.86 × 25,295,123.75
  4. Step 4: Simplify right side
    77,117,347.35x = 2,925,936,209,648,764.50
  5. Step 5: Solve for x
    x = 2,925,936,209,648,764.50/77,117,347.35
  6. Step 6: Final answer
    x = 37,941,349.26

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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.