Home / 118,137,586,333.35-163,029,877,108.74-64,673,558,851.35

Finding the Fourth Proportional to 118,137,586,333.35, 163,029,877,108.74 and 64,673,558,851.35

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Solution

The fourth proportional to 118,137,586,333.35, 163,029,877,108.74 and 64,673,558,851.35 is: 89,249,515,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,137,586,333.35 : 163,029,877,108.74 = 64,673,558,851.35 : x
  2. Step 2: Convert to fraction form
    118,137,586,333.35/163,029,877,108.74 = 64,673,558,851.35/x
  3. Step 3: Cross multiply
    118,137,586,333.35x = 163,029,877,108.74 × 64,673,558,851.35
  4. Step 4: Simplify right side
    118,137,586,333.35x = 10,543,722,351,720,453,373,952
  5. Step 5: Solve for x
    x = 10,543,722,351,720,453,373,952/118,137,586,333.35
  6. Step 6: Final answer
    x = 89,249,515,577.28

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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.