Home / 116,285,389-160,480,985.06-64,074,410.84

Finding the Fourth Proportional to 116,285,389, 160,480,985.06 and 64,074,410.84

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Solution

The fourth proportional to 116,285,389, 160,480,985.06 and 64,074,410.84 is: 88,426,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,285,389 : 160,480,985.06 = 64,074,410.84 : x
  2. Step 2: Convert to fraction form
    116,285,389/160,480,985.06 = 64,074,410.84/x
  3. Step 3: Cross multiply
    116,285,389x = 160,480,985.06 × 64,074,410.84
  4. Step 4: Simplify right side
    116,285,389x = 10,282,724,568,742,342
  5. Step 5: Solve for x
    x = 10,282,724,568,742,342/116,285,389
  6. Step 6: Final answer
    x = 88,426,625.71

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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.