Home / 285,798,420.06-428,300,470.89-149,211,347.10

Finding the Fourth Proportional to 285,798,420.06, 428,300,470.89 and 149,211,347.10

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Solution

The fourth proportional to 285,798,420.06, 428,300,470.89 and 149,211,347.10 is: 223,609,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,798,420.06 : 428,300,470.89 = 149,211,347.10 : x
  2. Step 2: Convert to fraction form
    285,798,420.06/428,300,470.89 = 149,211,347.10/x
  3. Step 3: Cross multiply
    285,798,420.06x = 428,300,470.89 × 149,211,347.10
  4. Step 4: Simplify right side
    285,798,420.06x = 63,907,290,225,061,232
  5. Step 5: Solve for x
    x = 63,907,290,225,061,232/285,798,420.06
  6. Step 6: Final answer
    x = 223,609,669.40

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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.