Home / 165,280,657.65-247,920,986.48-147,424,240.05

Finding the Fourth Proportional to 165,280,657.65, 247,920,986.48 and 147,424,240.05

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Solution

The fourth proportional to 165,280,657.65, 247,920,986.48 and 147,424,240.05 is: 221,136,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,657.65 : 247,920,986.48 = 147,424,240.05 : x
  2. Step 2: Convert to fraction form
    165,280,657.65/247,920,986.48 = 147,424,240.05/x
  3. Step 3: Cross multiply
    165,280,657.65x = 247,920,986.48 × 147,424,240.05
  4. Step 4: Simplify right side
    165,280,657.65x = 36,549,563,023,523,208
  5. Step 5: Solve for x
    x = 36,549,563,023,523,208/165,280,657.65
  6. Step 6: Final answer
    x = 221,136,360.08

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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.