Home / 76,812,706.68-106,009,749.93-47,063,097.83

Finding the Fourth Proportional to 76,812,706.68, 106,009,749.93 and 47,063,097.83

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Solution

The fourth proportional to 76,812,706.68, 106,009,749.93 and 47,063,097.83 is: 64,952,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,812,706.68 : 106,009,749.93 = 47,063,097.83 : x
  2. Step 2: Convert to fraction form
    76,812,706.68/106,009,749.93 = 47,063,097.83/x
  3. Step 3: Cross multiply
    76,812,706.68x = 106,009,749.93 × 47,063,097.83
  4. Step 4: Simplify right side
    76,812,706.68x = 4,989,147,231,889,426
  5. Step 5: Solve for x
    x = 4,989,147,231,889,426/76,812,706.68
  6. Step 6: Final answer
    x = 64,952,108.15

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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.