Home / 181,978,047.40-272,967,071.10-120,756,044.20

Finding the Fourth Proportional to 181,978,047.40, 272,967,071.10 and 120,756,044.20

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Solution

The fourth proportional to 181,978,047.40, 272,967,071.10 and 120,756,044.20 is: 181,134,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,978,047.40 : 272,967,071.10 = 120,756,044.20 : x
  2. Step 2: Convert to fraction form
    181,978,047.40/272,967,071.10 = 120,756,044.20/x
  3. Step 3: Cross multiply
    181,978,047.40x = 272,967,071.10 × 120,756,044.20
  4. Step 4: Simplify right side
    181,978,047.40x = 32,962,423,702,896,148
  5. Step 5: Solve for x
    x = 32,962,423,702,896,148/181,978,047.40
  6. Step 6: Final answer
    x = 181,134,066.30

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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.