Home / 201,552,817.02-278,125,155-112,238,012.19

Finding the Fourth Proportional to 201,552,817.02, 278,125,155 and 112,238,012.19

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Solution

The fourth proportional to 201,552,817.02, 278,125,155 and 112,238,012.19 is: 154,878,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552,817.02 : 278,125,155 = 112,238,012.19 : x
  2. Step 2: Convert to fraction form
    201,552,817.02/278,125,155 = 112,238,012.19/x
  3. Step 3: Cross multiply
    201,552,817.02x = 278,125,155 × 112,238,012.19
  4. Step 4: Simplify right side
    201,552,817.02x = 31,216,214,537,235,640
  5. Step 5: Solve for x
    x = 31,216,214,537,235,640/201,552,817.02
  6. Step 6: Final answer
    x = 154,878,582.19

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1.5x scale

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.