Home / 54,849,873.04-75,698,241.12-31,331,929.66

Finding the Fourth Proportional to 54,849,873.04, 75,698,241.12 and 31,331,929.66

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Solution

The fourth proportional to 54,849,873.04, 75,698,241.12 and 31,331,929.66 is: 43,241,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,849,873.04 : 75,698,241.12 = 31,331,929.66 : x
  2. Step 2: Convert to fraction form
    54,849,873.04/75,698,241.12 = 31,331,929.66/x
  3. Step 3: Cross multiply
    54,849,873.04x = 75,698,241.12 × 31,331,929.66
  4. Step 4: Simplify right side
    54,849,873.04x = 2,371,771,966,157,560
  5. Step 5: Solve for x
    x = 2,371,771,966,157,560/54,849,873.04
  6. Step 6: Final answer
    x = 43,241,156.90

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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.