Home / 161,417,728.30-242,167,146.45-46,402,479.76

Finding the Fourth Proportional to 161,417,728.30, 242,167,146.45 and 46,402,479.76

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Solution

The fourth proportional to 161,417,728.30, 242,167,146.45 and 46,402,479.76 is: 69,615,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,417,728.30 : 242,167,146.45 = 46,402,479.76 : x
  2. Step 2: Convert to fraction form
    161,417,728.30/242,167,146.45 = 46,402,479.76/x
  3. Step 3: Cross multiply
    161,417,728.30x = 242,167,146.45 × 46,402,479.76
  4. Step 4: Simplify right side
    161,417,728.30x = 11,237,156,111,683,080
  5. Step 5: Solve for x
    x = 11,237,156,111,683,080/161,417,728.30
  6. Step 6: Final answer
    x = 69,615,377.63

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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.