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Finding the Fourth Proportional to 171,809,920, 237,097,728.48 and 94,547,584

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Solution

The fourth proportional to 171,809,920, 237,097,728.48 and 94,547,584 is: 130,475,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,809,920 : 237,097,728.48 = 94,547,584 : x
  2. Step 2: Convert to fraction form
    171,809,920/237,097,728.48 = 94,547,584/x
  3. Step 3: Cross multiply
    171,809,920x = 237,097,728.48 × 94,547,584
  4. Step 4: Simplify right side
    171,809,920x = 22,417,017,399,671,992
  5. Step 5: Solve for x
    x = 22,417,017,399,671,992/171,809,920
  6. Step 6: Final answer
    x = 130,475,687.32

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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.