Home / 121,277,999.70-181,916,999.55-35,025,125.40

Finding the Fourth Proportional to 121,277,999.70, 181,916,999.55 and 35,025,125.40

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Solution

The fourth proportional to 121,277,999.70, 181,916,999.55 and 35,025,125.40 is: 52,537,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,999.70 : 181,916,999.55 = 35,025,125.40 : x
  2. Step 2: Convert to fraction form
    121,277,999.70/181,916,999.55 = 35,025,125.40/x
  3. Step 3: Cross multiply
    121,277,999.70x = 181,916,999.55 × 35,025,125.40
  4. Step 4: Simplify right side
    121,277,999.70x = 6,371,665,721,630,494
  5. Step 5: Solve for x
    x = 6,371,665,721,630,494/121,277,999.70
  6. Step 6: Final answer
    x = 52,537,688.10

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1.5x scale

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.