Home / 354,295,220.60-531,442,830.90-124,287,555.80

Finding the Fourth Proportional to 354,295,220.60, 531,442,830.90 and 124,287,555.80

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Solution

The fourth proportional to 354,295,220.60, 531,442,830.90 and 124,287,555.80 is: 186,431,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,220.60 : 531,442,830.90 = 124,287,555.80 : x
  2. Step 2: Convert to fraction form
    354,295,220.60/531,442,830.90 = 124,287,555.80/x
  3. Step 3: Cross multiply
    354,295,220.60x = 531,442,830.90 × 124,287,555.80
  4. Step 4: Simplify right side
    354,295,220.60x = 66,051,730,499,993,712
  5. Step 5: Solve for x
    x = 66,051,730,499,993,712/354,295,220.60
  6. Step 6: Final answer
    x = 186,431,333.70

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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.