Home / 118,355,759.10-163,335,991.74-66,144,793.22

Finding the Fourth Proportional to 118,355,759.10, 163,335,991.74 and 66,144,793.22

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Solution

The fourth proportional to 118,355,759.10, 163,335,991.74 and 66,144,793.22 is: 91,282,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,759.10 : 163,335,991.74 = 66,144,793.22 : x
  2. Step 2: Convert to fraction form
    118,355,759.10/163,335,991.74 = 66,144,793.22/x
  3. Step 3: Cross multiply
    118,355,759.10x = 163,335,991.74 × 66,144,793.22
  4. Step 4: Simplify right side
    118,355,759.10x = 10,803,825,399,492,482
  5. Step 5: Solve for x
    x = 10,803,825,399,492,482/118,355,759.10
  6. Step 6: Final answer
    x = 91,282,633.66

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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.