Home / 118,786,037,389.65-163,927,838,380.12-64,595,755,394.10

Finding the Fourth Proportional to 118,786,037,389.65, 163,927,838,380.12 and 64,595,755,394.10

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Solution

The fourth proportional to 118,786,037,389.65, 163,927,838,380.12 and 64,595,755,394.10 is: 89,143,831,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786,037,389.65 : 163,927,838,380.12 = 64,595,755,394.10 : x
  2. Step 2: Convert to fraction form
    118,786,037,389.65/163,927,838,380.12 = 64,595,755,394.10/x
  3. Step 3: Cross multiply
    118,786,037,389.65x = 163,927,838,380.12 × 64,595,755,394.10
  4. Step 4: Simplify right side
    118,786,037,389.65x = 10,589,042,550,285,789,036,544
  5. Step 5: Solve for x
    x = 10,589,042,550,285,789,036,544/118,786,037,389.65
  6. Step 6: Final answer
    x = 89,143,831,909.73

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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.