Home / 113,909,502.63-157,186,952.86-66,868,486.14

Finding the Fourth Proportional to 113,909,502.63, 157,186,952.86 and 66,868,486.14

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Solution

The fourth proportional to 113,909,502.63, 157,186,952.86 and 66,868,486.14 is: 92,273,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,909,502.63 : 157,186,952.86 = 66,868,486.14 : x
  2. Step 2: Convert to fraction form
    113,909,502.63/157,186,952.86 = 66,868,486.14/x
  3. Step 3: Cross multiply
    113,909,502.63x = 157,186,952.86 × 66,868,486.14
  4. Step 4: Simplify right side
    113,909,502.63x = 10,510,853,578,707,744
  5. Step 5: Solve for x
    x = 10,510,853,578,707,744/113,909,502.63
  6. Step 6: Final answer
    x = 92,273,720.24

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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.