Home / 248,254,487.28-342,578,530.89-136,742,927.58

Finding the Fourth Proportional to 248,254,487.28, 342,578,530.89 and 136,742,927.58

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Solution

The fourth proportional to 248,254,487.28, 342,578,530.89 and 136,742,927.58 is: 188,698,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254,487.28 : 342,578,530.89 = 136,742,927.58 : x
  2. Step 2: Convert to fraction form
    248,254,487.28/342,578,530.89 = 136,742,927.58/x
  3. Step 3: Cross multiply
    248,254,487.28x = 342,578,530.89 × 136,742,927.58
  4. Step 4: Simplify right side
    248,254,487.28x = 46,845,191,239,954,064
  5. Step 5: Solve for x
    x = 46,845,191,239,954,064/248,254,487.28
  6. Step 6: Final answer
    x = 188,698,265.85

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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.