Home / 302,778,547.29-417,834,563.20-163,549,309.82

Finding the Fourth Proportional to 302,778,547.29, 417,834,563.20 and 163,549,309.82

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Solution

The fourth proportional to 302,778,547.29, 417,834,563.20 and 163,549,309.82 is: 225,698,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,547.29 : 417,834,563.20 = 163,549,309.82 : x
  2. Step 2: Convert to fraction form
    302,778,547.29/417,834,563.20 = 163,549,309.82/x
  3. Step 3: Cross multiply
    302,778,547.29x = 417,834,563.20 × 163,549,309.82
  4. Step 4: Simplify right side
    302,778,547.29x = 68,336,554,427,803,120
  5. Step 5: Solve for x
    x = 68,336,554,427,803,120/302,778,547.29
  6. Step 6: Final answer
    x = 225,698,138.26

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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.