Home / 116,369,285.80-160,742,905.94-86,254,831.42

Finding the Fourth Proportional to 116,369,285.80, 160,742,905.94 and 86,254,831.42

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Solution

The fourth proportional to 116,369,285.80, 160,742,905.94 and 86,254,831.42 is: 119,145,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,369,285.80 : 160,742,905.94 = 86,254,831.42 : x
  2. Step 2: Convert to fraction form
    116,369,285.80/160,742,905.94 = 86,254,831.42/x
  3. Step 3: Cross multiply
    116,369,285.80x = 160,742,905.94 × 86,254,831.42
  4. Step 4: Simplify right side
    116,369,285.80x = 13,864,852,253,629,396
  5. Step 5: Solve for x
    x = 13,864,852,253,629,396/116,369,285.80
  6. Step 6: Final answer
    x = 119,145,289.57

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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.