Home / 76,533,756.48-105,590,088-49,046,840.64

Finding the Fourth Proportional to 76,533,756.48, 105,590,088 and 49,046,840.64

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Solution

The fourth proportional to 76,533,756.48, 105,590,088 and 49,046,840.64 is: 67,667,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,533,756.48 : 105,590,088 = 49,046,840.64 : x
  2. Step 2: Convert to fraction form
    76,533,756.48/105,590,088 = 49,046,840.64/x
  3. Step 3: Cross multiply
    76,533,756.48x = 105,590,088 × 49,046,840.64
  4. Step 4: Simplify right side
    76,533,756.48x = 5,178,860,219,299,576
  5. Step 5: Solve for x
    x = 5,178,860,219,299,576/76,533,756.48
  6. Step 6: Final answer
    x = 67,667,660.10

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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.