Home / 314,903,829.60-472,323,851.87-84,896,164.80

Finding the Fourth Proportional to 314,903,829.60, 472,323,851.87 and 84,896,164.80

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Solution

The fourth proportional to 314,903,829.60, 472,323,851.87 and 84,896,164.80 is: 127,335,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,903,829.60 : 472,323,851.87 = 84,896,164.80 : x
  2. Step 2: Convert to fraction form
    314,903,829.60/472,323,851.87 = 84,896,164.80/x
  3. Step 3: Cross multiply
    314,903,829.60x = 472,323,851.87 × 84,896,164.80
  4. Step 4: Simplify right side
    314,903,829.60x = 40,098,483,566,901,824
  5. Step 5: Solve for x
    x = 40,098,483,566,901,824/314,903,829.60
  6. Step 6: Final answer
    x = 127,335,649.17

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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.