Home / 139,234,090,753.16-208,850,875,433.01-43,627,428,703.90

Finding the Fourth Proportional to 139,234,090,753.16, 208,850,875,433.01 and 43,627,428,703.90

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Solution

The fourth proportional to 139,234,090,753.16, 208,850,875,433.01 and 43,627,428,703.90 is: 65,441,061,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,234,090,753.16 : 208,850,875,433.01 = 43,627,428,703.90 : x
  2. Step 2: Convert to fraction form
    139,234,090,753.16/208,850,875,433.01 = 43,627,428,703.90/x
  3. Step 3: Cross multiply
    139,234,090,753.16x = 208,850,875,433.01 × 43,627,428,703.90
  4. Step 4: Simplify right side
    139,234,090,753.16x = 9,111,626,677,700,744,183,808
  5. Step 5: Solve for x
    x = 9,111,626,677,700,744,183,808/139,234,090,753.16
  6. Step 6: Final answer
    x = 65,441,061,369.48

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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.