Home / 77,376,147-106,779,080.70-42,568,088.28

Finding the Fourth Proportional to 77,376,147, 106,779,080.70 and 42,568,088.28

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Solution

The fourth proportional to 77,376,147, 106,779,080.70 and 42,568,088.28 is: 58,743,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376,147 : 106,779,080.70 = 42,568,088.28 : x
  2. Step 2: Convert to fraction form
    77,376,147/106,779,080.70 = 42,568,088.28/x
  3. Step 3: Cross multiply
    77,376,147x = 106,779,080.70 × 42,568,088.28
  4. Step 4: Simplify right side
    77,376,147x = 4,545,381,333,694,844
  5. Step 5: Solve for x
    x = 4,545,381,333,694,844/77,376,147
  6. Step 6: Final answer
    x = 58,743,960.64

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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.