Home / 80,642,303,999.10-120,963,455,998.65-52,779,490,098.30

Finding the Fourth Proportional to 80,642,303,999.10, 120,963,455,998.65 and 52,779,490,098.30

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Solution

The fourth proportional to 80,642,303,999.10, 120,963,455,998.65 and 52,779,490,098.30 is: 79,169,235,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,303,999.10 : 120,963,455,998.65 = 52,779,490,098.30 : x
  2. Step 2: Convert to fraction form
    80,642,303,999.10/120,963,455,998.65 = 52,779,490,098.30/x
  3. Step 3: Cross multiply
    80,642,303,999.10x = 120,963,455,998.65 × 52,779,490,098.30
  4. Step 4: Simplify right side
    80,642,303,999.10x = 6,384,389,528,136,895,692,800
  5. Step 5: Solve for x
    x = 6,384,389,528,136,895,692,800/80,642,303,999.10
  6. Step 6: Final answer
    x = 79,169,235,147.45

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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.