Home / 65,712,769.20-98,569,153.80-48,706,657.20

Finding the Fourth Proportional to 65,712,769.20, 98,569,153.80 and 48,706,657.20

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Solution

The fourth proportional to 65,712,769.20, 98,569,153.80 and 48,706,657.20 is: 73,059,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,712,769.20 : 98,569,153.80 = 48,706,657.20 : x
  2. Step 2: Convert to fraction form
    65,712,769.20/98,569,153.80 = 48,706,657.20/x
  3. Step 3: Cross multiply
    65,712,769.20x = 98,569,153.80 × 48,706,657.20
  4. Step 4: Simplify right side
    65,712,769.20x = 4,800,973,984,630,678
  5. Step 5: Solve for x
    x = 4,800,973,984,630,678/65,712,769.20
  6. Step 6: Final answer
    x = 73,059,985.80

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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.