Home / 119,164,128.64-164,460,275.12-69,616,887.76

Finding the Fourth Proportional to 119,164,128.64, 164,460,275.12 and 69,616,887.76

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Solution

The fourth proportional to 119,164,128.64, 164,460,275.12 and 69,616,887.76 is: 96,079,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,164,128.64 : 164,460,275.12 = 69,616,887.76 : x
  2. Step 2: Convert to fraction form
    119,164,128.64/164,460,275.12 = 69,616,887.76/x
  3. Step 3: Cross multiply
    119,164,128.64x = 164,460,275.12 × 69,616,887.76
  4. Step 4: Simplify right side
    119,164,128.64x = 11,449,212,513,770,652
  5. Step 5: Solve for x
    x = 11,449,212,513,770,652/119,164,128.64
  6. Step 6: Final answer
    x = 96,079,354.12

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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.