Home / 137,142,836,313.24-205,714,947,894.74-42,807,876,297.24

Finding the Fourth Proportional to 137,142,836,313.24, 205,714,947,894.74 and 42,807,876,297.24

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Solution

The fourth proportional to 137,142,836,313.24, 205,714,947,894.74 and 42,807,876,297.24 is: 64,212,030,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,142,836,313.24 : 205,714,947,894.74 = 42,807,876,297.24 : x
  2. Step 2: Convert to fraction form
    137,142,836,313.24/205,714,947,894.74 = 42,807,876,297.24/x
  3. Step 3: Cross multiply
    137,142,836,313.24x = 205,714,947,894.74 × 42,807,876,297.24
  4. Step 4: Simplify right side
    137,142,836,313.24x = 8,806,220,041,971,201,736,704
  5. Step 5: Solve for x
    x = 8,806,220,041,971,201,736,704/137,142,836,313.24
  6. Step 6: Final answer
    x = 64,212,030,892.07

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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.