Home / 303,249,329.70-455,673,852.18-163,293,262.86

Finding the Fourth Proportional to 303,249,329.70, 455,673,852.18 and 163,293,262.86

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Solution

The fourth proportional to 303,249,329.70, 455,673,852.18 and 163,293,262.86 is: 245,370,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,249,329.70 : 455,673,852.18 = 163,293,262.86 : x
  2. Step 2: Convert to fraction form
    303,249,329.70/455,673,852.18 = 163,293,262.86/x
  3. Step 3: Cross multiply
    303,249,329.70x = 455,673,852.18 × 163,293,262.86
  4. Step 4: Simplify right side
    303,249,329.70x = 74,408,470,124,778,656
  5. Step 5: Solve for x
    x = 74,408,470,124,778,656/303,249,329.70
  6. Step 6: Final answer
    x = 245,370,600.48

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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.