Home / 142,065,922.86-196,051,564.01-76,875,826.86

Finding the Fourth Proportional to 142,065,922.86, 196,051,564.01 and 76,875,826.86

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Solution

The fourth proportional to 142,065,922.86, 196,051,564.01 and 76,875,826.86 is: 106,088,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,065,922.86 : 196,051,564.01 = 76,875,826.86 : x
  2. Step 2: Convert to fraction form
    142,065,922.86/196,051,564.01 = 76,875,826.86/x
  3. Step 3: Cross multiply
    142,065,922.86x = 196,051,564.01 × 76,875,826.86
  4. Step 4: Simplify right side
    142,065,922.86x = 15,071,626,090,080,588
  5. Step 5: Solve for x
    x = 15,071,626,090,080,588/142,065,922.86
  6. Step 6: Final answer
    x = 106,088,960.58

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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.