Home / 57,170,448.96-78,895,717.76-31,064,967.24

Finding the Fourth Proportional to 57,170,448.96, 78,895,717.76 and 31,064,967.24

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Solution

The fourth proportional to 57,170,448.96, 78,895,717.76 and 31,064,967.24 is: 42,869,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,448.96 : 78,895,717.76 = 31,064,967.24 : x
  2. Step 2: Convert to fraction form
    57,170,448.96/78,895,717.76 = 31,064,967.24/x
  3. Step 3: Cross multiply
    57,170,448.96x = 78,895,717.76 × 31,064,967.24
  4. Step 4: Simplify right side
    57,170,448.96x = 2,450,892,887,590,686
  5. Step 5: Solve for x
    x = 2,450,892,887,590,686/57,170,448.96
  6. Step 6: Final answer
    x = 42,869,925.50

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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.