Home / 165,280,555.15-247,920,832.73-147,424,137.55

Finding the Fourth Proportional to 165,280,555.15, 247,920,832.73 and 147,424,137.55

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Solution

The fourth proportional to 165,280,555.15, 247,920,832.73 and 147,424,137.55 is: 221,136,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,555.15 : 247,920,832.73 = 147,424,137.55 : x
  2. Step 2: Convert to fraction form
    165,280,555.15/247,920,832.73 = 147,424,137.55/x
  3. Step 3: Cross multiply
    165,280,555.15x = 247,920,832.73 × 147,424,137.55
  4. Step 4: Simplify right side
    165,280,555.15x = 36,549,514,945,898,064
  5. Step 5: Solve for x
    x = 36,549,514,945,898,064/165,280,555.15
  6. Step 6: Final answer
    x = 221,136,206.33

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1.5x scale

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.