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Finding the Fourth Proportional to 117,807,701.40, 176,711,552.10 and 37,028,669.40

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Solution

The fourth proportional to 117,807,701.40, 176,711,552.10 and 37,028,669.40 is: 55,543,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,807,701.40 : 176,711,552.10 = 37,028,669.40 : x
  2. Step 2: Convert to fraction form
    117,807,701.40/176,711,552.10 = 37,028,669.40/x
  3. Step 3: Cross multiply
    117,807,701.40x = 176,711,552.10 × 37,028,669.40
  4. Step 4: Simplify right side
    117,807,701.40x = 6,543,393,641,871,775
  5. Step 5: Solve for x
    x = 6,543,393,641,871,775/117,807,701.40
  6. Step 6: Final answer
    x = 55,543,004.10

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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.