Home / 157,154,522.49-216,873,441.29-85,627,065.47

Finding the Fourth Proportional to 157,154,522.49, 216,873,441.29 and 85,627,065.47

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Solution

The fourth proportional to 157,154,522.49, 216,873,441.29 and 85,627,065.47 is: 118,165,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,154,522.49 : 216,873,441.29 = 85,627,065.47 : x
  2. Step 2: Convert to fraction form
    157,154,522.49/216,873,441.29 = 85,627,065.47/x
  3. Step 3: Cross multiply
    157,154,522.49x = 216,873,441.29 × 85,627,065.47
  4. Step 4: Simplify right side
    157,154,522.49x = 18,570,236,355,172,732
  5. Step 5: Solve for x
    x = 18,570,236,355,172,732/157,154,522.49
  6. Step 6: Final answer
    x = 118,165,459.45

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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.