Home / 78,909,709-118,364,563.50-22,176,013

Finding the Fourth Proportional to 78,909,709, 118,364,563.50 and 22,176,013

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Solution

The fourth proportional to 78,909,709, 118,364,563.50 and 22,176,013 is: 33,264,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,909,709 : 118,364,563.50 = 22,176,013 : x
  2. Step 2: Convert to fraction form
    78,909,709/118,364,563.50 = 22,176,013/x
  3. Step 3: Cross multiply
    78,909,709x = 118,364,563.50 × 22,176,013
  4. Step 4: Simplify right side
    78,909,709x = 2,624,854,098,915,325.50
  5. Step 5: Solve for x
    x = 2,624,854,098,915,325.50/78,909,709
  6. Step 6: Final answer
    x = 33,264,019.50

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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.