Home / 139,980,219,232.42-209,946,646,322.98-39,227,898,525.58

Finding the Fourth Proportional to 139,980,219,232.42, 209,946,646,322.98 and 39,227,898,525.58

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Solution

The fourth proportional to 139,980,219,232.42, 209,946,646,322.98 and 39,227,898,525.58 is: 58,835,211,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,980,219,232.42 : 209,946,646,322.98 = 39,227,898,525.58 : x
  2. Step 2: Convert to fraction form
    139,980,219,232.42/209,946,646,322.98 = 39,227,898,525.58/x
  3. Step 3: Cross multiply
    139,980,219,232.42x = 209,946,646,322.98 × 39,227,898,525.58
  4. Step 4: Simplify right side
    139,980,219,232.42x = 8,235,765,737,743,693,381,632
  5. Step 5: Solve for x
    x = 8,235,765,737,743,693,381,632/139,980,219,232.42
  6. Step 6: Final answer
    x = 58,835,211,024.13

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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.