Home / 302,778,730.10-417,834,815.63-163,549,493.24

Finding the Fourth Proportional to 302,778,730.10, 417,834,815.63 and 163,549,493.24

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Solution

The fourth proportional to 302,778,730.10, 417,834,815.63 and 163,549,493.24 is: 225,698,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,730.10 : 417,834,815.63 = 163,549,493.24 : x
  2. Step 2: Convert to fraction form
    302,778,730.10/417,834,815.63 = 163,549,493.24/x
  3. Step 3: Cross multiply
    302,778,730.10x = 417,834,815.63 × 163,549,493.24
  4. Step 4: Simplify right side
    302,778,730.10x = 68,336,672,351,408,416
  5. Step 5: Solve for x
    x = 68,336,672,351,408,416/302,778,730.10
  6. Step 6: Final answer
    x = 225,698,391.46

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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.