Home / 157,166,410.95-216,879,874.59-86,598,072.06

Finding the Fourth Proportional to 157,166,410.95, 216,879,874.59 and 86,598,072.06

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Solution

The fourth proportional to 157,166,410.95, 216,879,874.59 and 86,598,072.06 is: 119,499,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,166,410.95 : 216,879,874.59 = 86,598,072.06 : x
  2. Step 2: Convert to fraction form
    157,166,410.95/216,879,874.59 = 86,598,072.06/x
  3. Step 3: Cross multiply
    157,166,410.95x = 216,879,874.59 × 86,598,072.06
  4. Step 4: Simplify right side
    157,166,410.95x = 18,781,379,008,108,584
  5. Step 5: Solve for x
    x = 18,781,379,008,108,584/157,166,410.95
  6. Step 6: Final answer
    x = 119,499,954.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.