Home / 121,061,071.16-181,590,410.02-55,463,602.01

Finding the Fourth Proportional to 121,061,071.16, 181,590,410.02 and 55,463,602.01

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Solution

The fourth proportional to 121,061,071.16, 181,590,410.02 and 55,463,602.01 is: 83,194,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,061,071.16 : 181,590,410.02 = 55,463,602.01 : x
  2. Step 2: Convert to fraction form
    121,061,071.16/181,590,410.02 = 55,463,602.01/x
  3. Step 3: Cross multiply
    121,061,071.16x = 181,590,410.02 × 55,463,602.01
  4. Step 4: Simplify right side
    121,061,071.16x = 10,071,658,230,181,996
  5. Step 5: Solve for x
    x = 10,071,658,230,181,996/121,061,071.16
  6. Step 6: Final answer
    x = 83,194,854.74

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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.