Home / 302,778,708.57-417,834,786.02-163,549,471.50

Finding the Fourth Proportional to 302,778,708.57, 417,834,786.02 and 163,549,471.50

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Solution

The fourth proportional to 302,778,708.57, 417,834,786.02 and 163,549,471.50 is: 225,698,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,708.57 : 417,834,786.02 = 163,549,471.50 : x
  2. Step 2: Convert to fraction form
    302,778,708.57/417,834,786.02 = 163,549,471.50/x
  3. Step 3: Cross multiply
    302,778,708.57x = 417,834,786.02 × 163,549,471.50
  4. Step 4: Simplify right side
    302,778,708.57x = 68,336,658,427,068,840
  5. Step 5: Solve for x
    x = 68,336,658,427,068,840/302,778,708.57
  6. Step 6: Final answer
    x = 225,698,361.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.