Home / 142,155,759.27-196,141,205.66-86,400,206.31

Finding the Fourth Proportional to 142,155,759.27, 196,141,205.66 and 86,400,206.31

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Solution

The fourth proportional to 142,155,759.27, 196,141,205.66 and 86,400,206.31 is: 119,211,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,155,759.27 : 196,141,205.66 = 86,400,206.31 : x
  2. Step 2: Convert to fraction form
    142,155,759.27/196,141,205.66 = 86,400,206.31/x
  3. Step 3: Cross multiply
    142,155,759.27x = 196,141,205.66 × 86,400,206.31
  4. Step 4: Simplify right side
    142,155,759.27x = 16,946,640,634,484,140
  5. Step 5: Solve for x
    x = 16,946,640,634,484,140/142,155,759.27
  6. Step 6: Final answer
    x = 119,211,776.73

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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.