Home / 121,476,014.48-167,484,837-101,387,850.80

Finding the Fourth Proportional to 121,476,014.48, 167,484,837 and 101,387,850.80

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Solution

The fourth proportional to 121,476,014.48, 167,484,837 and 101,387,850.80 is: 139,788,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,476,014.48 : 167,484,837 = 101,387,850.80 : x
  2. Step 2: Convert to fraction form
    121,476,014.48/167,484,837 = 101,387,850.80/x
  3. Step 3: Cross multiply
    121,476,014.48x = 167,484,837 × 101,387,850.80
  4. Step 4: Simplify right side
    121,476,014.48x = 16,980,927,665,018,320
  5. Step 5: Solve for x
    x = 16,980,927,665,018,320/121,476,014.48
  6. Step 6: Final answer
    x = 139,788,317.37

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1.5x scale

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.