Home / 113,921,109.29-157,207,882.91-66,877,426.28

Finding the Fourth Proportional to 113,921,109.29, 157,207,882.91 and 66,877,426.28

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Solution

The fourth proportional to 113,921,109.29, 157,207,882.91 and 66,877,426.28 is: 92,288,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,921,109.29 : 157,207,882.91 = 66,877,426.28 : x
  2. Step 2: Convert to fraction form
    113,921,109.29/157,207,882.91 = 66,877,426.28/x
  3. Step 3: Cross multiply
    113,921,109.29x = 157,207,882.91 × 66,877,426.28
  4. Step 4: Simplify right side
    113,921,109.29x = 10,513,658,598,827,970
  5. Step 5: Solve for x
    x = 10,513,658,598,827,970/113,921,109.29
  6. Step 6: Final answer
    x = 92,288,941.57

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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.