Home / 51,490,780.47-70,989,661.69-37,157,175.66

Finding the Fourth Proportional to 51,490,780.47, 70,989,661.69 and 37,157,175.66

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Solution

The fourth proportional to 51,490,780.47, 70,989,661.69 and 37,157,175.66 is: 51,228,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,490,780.47 : 70,989,661.69 = 37,157,175.66 : x
  2. Step 2: Convert to fraction form
    51,490,780.47/70,989,661.69 = 37,157,175.66/x
  3. Step 3: Cross multiply
    51,490,780.47x = 70,989,661.69 × 37,157,175.66
  4. Step 4: Simplify right side
    51,490,780.47x = 2,637,775,329,459,302
  5. Step 5: Solve for x
    x = 2,637,775,329,459,302/51,490,780.47
  6. Step 6: Final answer
    x = 51,228,109.29

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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.