Home / 136,593,122.81-188,496,155.43-77,054,547.67

Finding the Fourth Proportional to 136,593,122.81, 188,496,155.43 and 77,054,547.67

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Solution

The fourth proportional to 136,593,122.81, 188,496,155.43 and 77,054,547.67 is: 106,333,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,593,122.81 : 188,496,155.43 = 77,054,547.67 : x
  2. Step 2: Convert to fraction form
    136,593,122.81/188,496,155.43 = 77,054,547.67/x
  3. Step 3: Cross multiply
    136,593,122.81x = 188,496,155.43 × 77,054,547.67
  4. Step 4: Simplify right side
    136,593,122.81x = 14,524,485,993,721,426
  5. Step 5: Solve for x
    x = 14,524,485,993,721,426/136,593,122.81
  6. Step 6: Final answer
    x = 106,333,947.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.