Home / 54,849,875.04-75,698,243.88-31,331,931.66

Finding the Fourth Proportional to 54,849,875.04, 75,698,243.88 and 31,331,931.66

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Solution

The fourth proportional to 54,849,875.04, 75,698,243.88 and 31,331,931.66 is: 43,241,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,849,875.04 : 75,698,243.88 = 31,331,931.66 : x
  2. Step 2: Convert to fraction form
    54,849,875.04/75,698,243.88 = 31,331,931.66/x
  3. Step 3: Cross multiply
    54,849,875.04x = 75,698,243.88 × 31,331,931.66
  4. Step 4: Simplify right side
    54,849,875.04x = 2,371,772,204,030,173
  5. Step 5: Solve for x
    x = 2,371,772,204,030,173/54,849,875.04
  6. Step 6: Final answer
    x = 43,241,159.66

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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.