Home / 74,615,206.20-111,922,809.30-45,439,095.30

Finding the Fourth Proportional to 74,615,206.20, 111,922,809.30 and 45,439,095.30

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Solution

The fourth proportional to 74,615,206.20, 111,922,809.30 and 45,439,095.30 is: 68,158,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615,206.20 : 111,922,809.30 = 45,439,095.30 : x
  2. Step 2: Convert to fraction form
    74,615,206.20/111,922,809.30 = 45,439,095.30/x
  3. Step 3: Cross multiply
    74,615,206.20x = 111,922,809.30 × 45,439,095.30
  4. Step 4: Simplify right side
    74,615,206.20x = 5,085,671,198,026,426
  5. Step 5: Solve for x
    x = 5,085,671,198,026,426/74,615,206.20
  6. Step 6: Final answer
    x = 68,158,642.95

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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.