Home / 145,615,112.59-218,423,485.42-48,570,553.77

Finding the Fourth Proportional to 145,615,112.59, 218,423,485.42 and 48,570,553.77

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Solution

The fourth proportional to 145,615,112.59, 218,423,485.42 and 48,570,553.77 is: 72,856,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,112.59 : 218,423,485.42 = 48,570,553.77 : x
  2. Step 2: Convert to fraction form
    145,615,112.59/218,423,485.42 = 48,570,553.77/x
  3. Step 3: Cross multiply
    145,615,112.59x = 218,423,485.42 × 48,570,553.77
  4. Step 4: Simplify right side
    145,615,112.59x = 10,608,949,642,798,290
  5. Step 5: Solve for x
    x = 10,608,949,642,798,290/145,615,112.59
  6. Step 6: Final answer
    x = 72,856,103.01

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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.