Home / 163,334,165.70-245,001,248.55-81,704,828.10

Finding the Fourth Proportional to 163,334,165.70, 245,001,248.55 and 81,704,828.10

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Solution

The fourth proportional to 163,334,165.70, 245,001,248.55 and 81,704,828.10 is: 122,557,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,334,165.70 : 245,001,248.55 = 81,704,828.10 : x
  2. Step 2: Convert to fraction form
    163,334,165.70/245,001,248.55 = 81,704,828.10/x
  3. Step 3: Cross multiply
    163,334,165.70x = 245,001,248.55 × 81,704,828.10
  4. Step 4: Simplify right side
    163,334,165.70x = 20,017,784,897,063,124
  5. Step 5: Solve for x
    x = 20,017,784,897,063,124/163,334,165.70
  6. Step 6: Final answer
    x = 122,557,242.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.