Home / 163,670,342.45-245,505,513.68-42,501,794.45

Finding the Fourth Proportional to 163,670,342.45, 245,505,513.68 and 42,501,794.45

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Solution

The fourth proportional to 163,670,342.45, 245,505,513.68 and 42,501,794.45 is: 63,752,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670,342.45 : 245,505,513.68 = 42,501,794.45 : x
  2. Step 2: Convert to fraction form
    163,670,342.45/245,505,513.68 = 42,501,794.45/x
  3. Step 3: Cross multiply
    163,670,342.45x = 245,505,513.68 × 42,501,794.45
  4. Step 4: Simplify right side
    163,670,342.45x = 10,434,424,878,769,024
  5. Step 5: Solve for x
    x = 10,434,424,878,769,024/163,670,342.45
  6. Step 6: Final answer
    x = 63,752,691.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.