Home / 128,467,775.70-192,637,900.35-46,583,385.30

Finding the Fourth Proportional to 128,467,775.70, 192,637,900.35 and 46,583,385.30

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Solution

The fourth proportional to 128,467,775.70, 192,637,900.35 and 46,583,385.30 is: 69,851,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,467,775.70 : 192,637,900.35 = 46,583,385.30 : x
  2. Step 2: Convert to fraction form
    128,467,775.70/192,637,900.35 = 46,583,385.30/x
  3. Step 3: Cross multiply
    128,467,775.70x = 192,637,900.35 × 46,583,385.30
  4. Step 4: Simplify right side
    128,467,775.70x = 8,973,725,535,387,054
  5. Step 5: Solve for x
    x = 8,973,725,535,387,054/128,467,775.70
  6. Step 6: Final answer
    x = 69,851,956.93

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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.