Home / 75,045,323.63-112,421,378.42-51,697,942.34

Finding the Fourth Proportional to 75,045,323.63, 112,421,378.42 and 51,697,942.34

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Solution

The fourth proportional to 75,045,323.63, 112,421,378.42 and 51,697,942.34 is: 77,445,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,045,323.63 : 112,421,378.42 = 51,697,942.34 : x
  2. Step 2: Convert to fraction form
    75,045,323.63/112,421,378.42 = 51,697,942.34/x
  3. Step 3: Cross multiply
    75,045,323.63x = 112,421,378.42 × 51,697,942.34
  4. Step 4: Simplify right side
    75,045,323.63x = 5,811,953,938,713,751
  5. Step 5: Solve for x
    x = 5,811,953,938,713,751/75,045,323.63
  6. Step 6: Final answer
    x = 77,445,917.45

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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.