Home / 118,751,143.52-163,779,407.36-83,585,360.40

Finding the Fourth Proportional to 118,751,143.52, 163,779,407.36 and 83,585,360.40

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Solution

The fourth proportional to 118,751,143.52, 163,779,407.36 and 83,585,360.40 is: 115,279,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,751,143.52 : 163,779,407.36 = 83,585,360.40 : x
  2. Step 2: Convert to fraction form
    118,751,143.52/163,779,407.36 = 83,585,360.40/x
  3. Step 3: Cross multiply
    118,751,143.52x = 163,779,407.36 × 83,585,360.40
  4. Step 4: Simplify right side
    118,751,143.52x = 13,689,560,789,565,356
  5. Step 5: Solve for x
    x = 13,689,560,789,565,356/118,751,143.52
  6. Step 6: Final answer
    x = 115,279,401.82

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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.