Home / 124,470,710.72-186,735,392.48-42,590,480.48

Finding the Fourth Proportional to 124,470,710.72, 186,735,392.48 and 42,590,480.48

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Solution

The fourth proportional to 124,470,710.72, 186,735,392.48 and 42,590,480.48 is: 63,895,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,470,710.72 : 186,735,392.48 = 42,590,480.48 : x
  2. Step 2: Convert to fraction form
    124,470,710.72/186,735,392.48 = 42,590,480.48/x
  3. Step 3: Cross multiply
    124,470,710.72x = 186,735,392.48 × 42,590,480.48
  4. Step 4: Simplify right side
    124,470,710.72x = 7,953,150,088,344,578
  5. Step 5: Solve for x
    x = 7,953,150,088,344,578/124,470,710.72
  6. Step 6: Final answer
    x = 63,895,755.41

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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.