Home / 57,837,852.72-79,817,051.12-31,731,896.16

Finding the Fourth Proportional to 57,837,852.72, 79,817,051.12 and 31,731,896.16

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Solution

The fourth proportional to 57,837,852.72, 79,817,051.12 and 31,731,896.16 is: 43,790,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,837,852.72 : 79,817,051.12 = 31,731,896.16 : x
  2. Step 2: Convert to fraction form
    57,837,852.72/79,817,051.12 = 31,731,896.16/x
  3. Step 3: Cross multiply
    57,837,852.72x = 79,817,051.12 × 31,731,896.16
  4. Step 4: Simplify right side
    57,837,852.72x = 2,532,746,377,937,252
  5. Step 5: Solve for x
    x = 2,532,746,377,937,252/57,837,852.72
  6. Step 6: Final answer
    x = 43,790,463.49

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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.