Home / 40,364,518.40-55,749,373.44-29,400,116.48

Finding the Fourth Proportional to 40,364,518.40, 55,749,373.44 and 29,400,116.48

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Solution

The fourth proportional to 40,364,518.40, 55,749,373.44 and 29,400,116.48 is: 40,605,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364,518.40 : 55,749,373.44 = 29,400,116.48 : x
  2. Step 2: Convert to fraction form
    40,364,518.40/55,749,373.44 = 29,400,116.48/x
  3. Step 3: Cross multiply
    40,364,518.40x = 55,749,373.44 × 29,400,116.48
  4. Step 4: Simplify right side
    40,364,518.40x = 1,639,038,072,823,018.25
  5. Step 5: Solve for x
    x = 1,639,038,072,823,018.25/40,364,518.40
  6. Step 6: Final answer
    x = 40,605,911.77

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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.