Home / 109,834,768.86-164,746,828.85-40,761,038.36

Finding the Fourth Proportional to 109,834,768.86, 164,746,828.85 and 40,761,038.36

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Solution

The fourth proportional to 109,834,768.86, 164,746,828.85 and 40,761,038.36 is: 61,139,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,834,768.86 : 164,746,828.85 = 40,761,038.36 : x
  2. Step 2: Convert to fraction form
    109,834,768.86/164,746,828.85 = 40,761,038.36/x
  3. Step 3: Cross multiply
    109,834,768.86x = 164,746,828.85 × 40,761,038.36
  4. Step 4: Simplify right side
    109,834,768.86x = 6,715,251,809,415,665
  5. Step 5: Solve for x
    x = 6,715,251,809,415,665/109,834,768.86
  6. Step 6: Final answer
    x = 61,139,581.57

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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.