Home / 288,433,909.65-432,651,405.76-70,084,436.55

Finding the Fourth Proportional to 288,433,909.65, 432,651,405.76 and 70,084,436.55

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Solution

The fourth proportional to 288,433,909.65, 432,651,405.76 and 70,084,436.55 is: 105,126,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,433,909.65 : 432,651,405.76 = 70,084,436.55 : x
  2. Step 2: Convert to fraction form
    288,433,909.65/432,651,405.76 = 70,084,436.55/x
  3. Step 3: Cross multiply
    288,433,909.65x = 432,651,405.76 × 70,084,436.55
  4. Step 4: Simplify right side
    288,433,909.65x = 30,322,129,995,255,024
  5. Step 5: Solve for x
    x = 30,322,129,995,255,024/288,433,909.65
  6. Step 6: Final answer
    x = 105,126,786.35

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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.