Home / 245,636,574.56-338,980,111.68-134,128,189.64

Finding the Fourth Proportional to 245,636,574.56, 338,980,111.68 and 134,128,189.64

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Solution

The fourth proportional to 245,636,574.56, 338,980,111.68 and 134,128,189.64 is: 185,097,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,636,574.56 : 338,980,111.68 = 134,128,189.64 : x
  2. Step 2: Convert to fraction form
    245,636,574.56/338,980,111.68 = 134,128,189.64/x
  3. Step 3: Cross multiply
    245,636,574.56x = 338,980,111.68 × 134,128,189.64
  4. Step 4: Simplify right side
    245,636,574.56x = 45,466,788,703,603,424
  5. Step 5: Solve for x
    x = 45,466,788,703,603,424/245,636,574.56
  6. Step 6: Final answer
    x = 185,097,796.55

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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.