Home / 173,868,319.40-260,802,479.10-155,728,466.60

Finding the Fourth Proportional to 173,868,319.40, 260,802,479.10 and 155,728,466.60

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Solution

The fourth proportional to 173,868,319.40, 260,802,479.10 and 155,728,466.60 is: 233,592,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,319.40 : 260,802,479.10 = 155,728,466.60 : x
  2. Step 2: Convert to fraction form
    173,868,319.40/260,802,479.10 = 155,728,466.60/x
  3. Step 3: Cross multiply
    173,868,319.40x = 260,802,479.10 × 155,728,466.60
  4. Step 4: Simplify right side
    173,868,319.40x = 40,614,370,155,721,544
  5. Step 5: Solve for x
    x = 40,614,370,155,721,544/173,868,319.40
  6. Step 6: Final answer
    x = 233,592,699.90

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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.