Home / 302,778,547.67-417,834,563.72-163,549,310.19

Finding the Fourth Proportional to 302,778,547.67, 417,834,563.72 and 163,549,310.19

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Solution

The fourth proportional to 302,778,547.67, 417,834,563.72 and 163,549,310.19 is: 225,698,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,547.67 : 417,834,563.72 = 163,549,310.19 : x
  2. Step 2: Convert to fraction form
    302,778,547.67/417,834,563.72 = 163,549,310.19/x
  3. Step 3: Cross multiply
    302,778,547.67x = 417,834,563.72 × 163,549,310.19
  4. Step 4: Simplify right side
    302,778,547.67x = 68,336,554,669,127,848
  5. Step 5: Solve for x
    x = 68,336,554,669,127,848/302,778,547.67
  6. Step 6: Final answer
    x = 225,698,138.78

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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.