Home / 245,882,572.86-368,718,870.21-142,323,259.86

Finding the Fourth Proportional to 245,882,572.86, 368,718,870.21 and 142,323,259.86

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Solution

The fourth proportional to 245,882,572.86, 368,718,870.21 and 142,323,259.86 is: 213,424,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,882,572.86 : 368,718,870.21 = 142,323,259.86 : x
  2. Step 2: Convert to fraction form
    245,882,572.86/368,718,870.21 = 142,323,259.86/x
  3. Step 3: Cross multiply
    245,882,572.86x = 368,718,870.21 × 142,323,259.86
  4. Step 4: Simplify right side
    245,882,572.86x = 52,477,271,580,183,448
  5. Step 5: Solve for x
    x = 52,477,271,580,183,448/245,882,572.86
  6. Step 6: Final answer
    x = 213,424,119.37

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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.