Home / 112,803,837.76-169,206,340.53-51,350,019.34

Finding the Fourth Proportional to 112,803,837.76, 169,206,340.53 and 51,350,019.34

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Solution

The fourth proportional to 112,803,837.76, 169,206,340.53 and 51,350,019.34 is: 77,025,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,803,837.76 : 169,206,340.53 = 51,350,019.34 : x
  2. Step 2: Convert to fraction form
    112,803,837.76/169,206,340.53 = 51,350,019.34/x
  3. Step 3: Cross multiply
    112,803,837.76x = 169,206,340.53 × 51,350,019.34
  4. Step 4: Simplify right side
    112,803,837.76x = 8,688,748,858,666,127
  5. Step 5: Solve for x
    x = 8,688,748,858,666,127/112,803,837.76
  6. Step 6: Final answer
    x = 77,025,294.81

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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.