Home / 137,673,646.85-190,003,356.96-102,805,802.84

Finding the Fourth Proportional to 137,673,646.85, 190,003,356.96 and 102,805,802.84

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Solution

The fourth proportional to 137,673,646.85, 190,003,356.96 and 102,805,802.84 is: 141,882,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,646.85 : 190,003,356.96 = 102,805,802.84 : x
  2. Step 2: Convert to fraction form
    137,673,646.85/190,003,356.96 = 102,805,802.84/x
  3. Step 3: Cross multiply
    137,673,646.85x = 190,003,356.96 × 102,805,802.84
  4. Step 4: Simplify right side
    137,673,646.85x = 19,533,447,654,657,388
  5. Step 5: Solve for x
    x = 19,533,447,654,657,388/137,673,646.85
  6. Step 6: Final answer
    x = 141,882,256.34

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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.