Home / 145,132,214.40-217,761,307.20-73,328,630.40

Finding the Fourth Proportional to 145,132,214.40, 217,761,307.20 and 73,328,630.40

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Solution

The fourth proportional to 145,132,214.40, 217,761,307.20 and 73,328,630.40 is: 110,024,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,132,214.40 : 217,761,307.20 = 73,328,630.40 : x
  2. Step 2: Convert to fraction form
    145,132,214.40/217,761,307.20 = 73,328,630.40/x
  3. Step 3: Cross multiply
    145,132,214.40x = 217,761,307.20 × 73,328,630.40
  4. Step 4: Simplify right side
    145,132,214.40x = 15,968,138,411,089,660
  5. Step 5: Solve for x
    x = 15,968,138,411,089,660/145,132,214.40
  6. Step 6: Final answer
    x = 110,024,769.33

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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.