Home / 288,909,417.08-433,109,031.18-221,055,030.20

Finding the Fourth Proportional to 288,909,417.08, 433,109,031.18 and 221,055,030.20

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Solution

The fourth proportional to 288,909,417.08, 433,109,031.18 and 221,055,030.20 is: 331,387,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,909,417.08 : 433,109,031.18 = 221,055,030.20 : x
  2. Step 2: Convert to fraction form
    288,909,417.08/433,109,031.18 = 221,055,030.20/x
  3. Step 3: Cross multiply
    288,909,417.08x = 433,109,031.18 × 221,055,030.20
  4. Step 4: Simplify right side
    288,909,417.08x = 95,740,929,967,387,632
  5. Step 5: Solve for x
    x = 95,740,929,967,387,632/288,909,417.08
  6. Step 6: Final answer
    x = 331,387,363.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.