Home / 116,369,285.05-160,742,904.90-86,254,830.67

Finding the Fourth Proportional to 116,369,285.05, 160,742,904.90 and 86,254,830.67

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Solution

The fourth proportional to 116,369,285.05, 160,742,904.90 and 86,254,830.67 is: 119,145,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,369,285.05 : 160,742,904.90 = 86,254,830.67 : x
  2. Step 2: Convert to fraction form
    116,369,285.05/160,742,904.90 = 86,254,830.67/x
  3. Step 3: Cross multiply
    116,369,285.05x = 160,742,904.90 × 86,254,830.67
  4. Step 4: Simplify right side
    116,369,285.05x = 13,864,852,043,404,992
  5. Step 5: Solve for x
    x = 13,864,852,043,404,992/116,369,285.05
  6. Step 6: Final answer
    x = 119,145,288.54

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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.