Home / 87,997,070.76-121,434,130.98-48,836,573.16

Finding the Fourth Proportional to 87,997,070.76, 121,434,130.98 and 48,836,573.16

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Solution

The fourth proportional to 87,997,070.76, 121,434,130.98 and 48,836,573.16 is: 67,393,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,997,070.76 : 121,434,130.98 = 48,836,573.16 : x
  2. Step 2: Convert to fraction form
    87,997,070.76/121,434,130.98 = 48,836,573.16/x
  3. Step 3: Cross multiply
    87,997,070.76x = 121,434,130.98 × 48,836,573.16
  4. Step 4: Simplify right side
    87,997,070.76x = 5,930,426,821,725,792
  5. Step 5: Solve for x
    x = 5,930,426,821,725,792/87,997,070.76
  6. Step 6: Final answer
    x = 67,393,457.20

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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.