Home / 121,277,762.40-181,916,643.60-48,529,394.40

Finding the Fourth Proportional to 121,277,762.40, 181,916,643.60 and 48,529,394.40

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Solution

The fourth proportional to 121,277,762.40, 181,916,643.60 and 48,529,394.40 is: 72,794,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,762.40 : 181,916,643.60 = 48,529,394.40 : x
  2. Step 2: Convert to fraction form
    121,277,762.40/181,916,643.60 = 48,529,394.40/x
  3. Step 3: Cross multiply
    121,277,762.40x = 181,916,643.60 × 48,529,394.40
  4. Step 4: Simplify right side
    121,277,762.40x = 8,828,304,545,188,635
  5. Step 5: Solve for x
    x = 8,828,304,545,188,635/121,277,762.40
  6. Step 6: Final answer
    x = 72,794,091.60

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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.