Home / 302,778,735.95-417,834,823.80-163,549,498.88

Finding the Fourth Proportional to 302,778,735.95, 417,834,823.80 and 163,549,498.88

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Solution

The fourth proportional to 302,778,735.95, 417,834,823.80 and 163,549,498.88 is: 225,698,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,735.95 : 417,834,823.80 = 163,549,498.88 : x
  2. Step 2: Convert to fraction form
    302,778,735.95/417,834,823.80 = 163,549,498.88/x
  3. Step 3: Cross multiply
    302,778,735.95x = 417,834,823.80 × 163,549,498.88
  4. Step 4: Simplify right side
    302,778,735.95x = 68,336,676,045,013,928
  5. Step 5: Solve for x
    x = 68,336,676,045,013,928/302,778,735.95
  6. Step 6: Final answer
    x = 225,698,399.30

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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.