Home / 64,792,128.60-97,188,192.90-47,573,440.20

Finding the Fourth Proportional to 64,792,128.60, 97,188,192.90 and 47,573,440.20

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Solution

The fourth proportional to 64,792,128.60, 97,188,192.90 and 47,573,440.20 is: 71,360,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,792,128.60 : 97,188,192.90 = 47,573,440.20 : x
  2. Step 2: Convert to fraction form
    64,792,128.60/97,188,192.90 = 47,573,440.20/x
  3. Step 3: Cross multiply
    64,792,128.60x = 97,188,192.90 × 47,573,440.20
  4. Step 4: Simplify right side
    64,792,128.60x = 4,623,576,683,074,215
  5. Step 5: Solve for x
    x = 4,623,576,683,074,215/64,792,128.60
  6. Step 6: Final answer
    x = 71,360,160.30

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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.