Home / 116,369,288.90-160,742,910.21-86,254,834.52

Finding the Fourth Proportional to 116,369,288.90, 160,742,910.21 and 86,254,834.52

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Solution

The fourth proportional to 116,369,288.90, 160,742,910.21 and 86,254,834.52 is: 119,145,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,369,288.90 : 160,742,910.21 = 86,254,834.52 : x
  2. Step 2: Convert to fraction form
    116,369,288.90/160,742,910.21 = 86,254,834.52/x
  3. Step 3: Cross multiply
    116,369,288.90x = 160,742,910.21 × 86,254,834.52
  4. Step 4: Simplify right side
    116,369,288.90x = 13,864,853,119,623,054
  5. Step 5: Solve for x
    x = 13,864,853,119,623,054/116,369,288.90
  6. Step 6: Final answer
    x = 119,145,293.84

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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.