Home / 424,103,039.12-636,083,698.80-117,426,152.72

Finding the Fourth Proportional to 424,103,039.12, 636,083,698.80 and 117,426,152.72

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Solution

The fourth proportional to 424,103,039.12, 636,083,698.80 and 117,426,152.72 is: 176,119,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,103,039.12 : 636,083,698.80 = 117,426,152.72 : x
  2. Step 2: Convert to fraction form
    424,103,039.12/636,083,698.80 = 117,426,152.72/x
  3. Step 3: Cross multiply
    424,103,039.12x = 636,083,698.80 × 117,426,152.72
  4. Step 4: Simplify right side
    424,103,039.12x = 74,692,861,557,991,280
  5. Step 5: Solve for x
    x = 74,692,861,557,991,280/424,103,039.12
  6. Step 6: Final answer
    x = 176,119,609.31

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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.