Home / 302,778,729.33-417,834,814.61-163,549,492.46

Finding the Fourth Proportional to 302,778,729.33, 417,834,814.61 and 163,549,492.46

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Solution

The fourth proportional to 302,778,729.33, 417,834,814.61 and 163,549,492.46 is: 225,698,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,729.33 : 417,834,814.61 = 163,549,492.46 : x
  2. Step 2: Convert to fraction form
    302,778,729.33/417,834,814.61 = 163,549,492.46/x
  3. Step 3: Cross multiply
    302,778,729.33x = 417,834,814.61 × 163,549,492.46
  4. Step 4: Simplify right side
    302,778,729.33x = 68,336,671,861,810,536
  5. Step 5: Solve for x
    x = 68,336,671,861,810,536/302,778,729.33
  6. Step 6: Final answer
    x = 225,698,390.42

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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.