Home / 291,886,825.16-402,803,778.33-159,727,786.65

Finding the Fourth Proportional to 291,886,825.16, 402,803,778.33 and 159,727,786.65

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Solution

The fourth proportional to 291,886,825.16, 402,803,778.33 and 159,727,786.65 is: 220,424,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,886,825.16 : 402,803,778.33 = 159,727,786.65 : x
  2. Step 2: Convert to fraction form
    291,886,825.16/402,803,778.33 = 159,727,786.65/x
  3. Step 3: Cross multiply
    291,886,825.16x = 402,803,778.33 × 159,727,786.65
  4. Step 4: Simplify right side
    291,886,825.16x = 64,338,955,966,908,136
  5. Step 5: Solve for x
    x = 64,338,955,966,908,136/291,886,825.16
  6. Step 6: Final answer
    x = 220,424,323.47

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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.