Home / 55,417,803.60-82,984,987.80-40,962,608.40

Finding the Fourth Proportional to 55,417,803.60, 82,984,987.80 and 40,962,608.40

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Solution

The fourth proportional to 55,417,803.60, 82,984,987.80 and 40,962,608.40 is: 61,339,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417,803.60 : 82,984,987.80 = 40,962,608.40 : x
  2. Step 2: Convert to fraction form
    55,417,803.60/82,984,987.80 = 40,962,608.40/x
  3. Step 3: Cross multiply
    55,417,803.60x = 82,984,987.80 × 40,962,608.40
  4. Step 4: Simplify right side
    55,417,803.60x = 3,399,281,558,330,177.50
  5. Step 5: Solve for x
    x = 3,399,281,558,330,177.50/55,417,803.60
  6. Step 6: Final answer
    x = 61,339,160.66

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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.