Home / 139,163,141.03-192,039,873.34-77,287,465.40

Finding the Fourth Proportional to 139,163,141.03, 192,039,873.34 and 77,287,465.40

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Solution

The fourth proportional to 139,163,141.03, 192,039,873.34 and 77,287,465.40 is: 106,653,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,163,141.03 : 192,039,873.34 = 77,287,465.40 : x
  2. Step 2: Convert to fraction form
    139,163,141.03/192,039,873.34 = 77,287,465.40/x
  3. Step 3: Cross multiply
    139,163,141.03x = 192,039,873.34 × 77,287,465.40
  4. Step 4: Simplify right side
    139,163,141.03x = 14,842,275,064,838,996
  5. Step 5: Solve for x
    x = 14,842,275,064,838,996/139,163,141.03
  6. Step 6: Final answer
    x = 106,653,780.27

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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.