Home / 201,552,818.02-278,125,156.38-112,238,013.19

Finding the Fourth Proportional to 201,552,818.02, 278,125,156.38 and 112,238,013.19

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Solution

The fourth proportional to 201,552,818.02, 278,125,156.38 and 112,238,013.19 is: 154,878,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552,818.02 : 278,125,156.38 = 112,238,013.19 : x
  2. Step 2: Convert to fraction form
    201,552,818.02/278,125,156.38 = 112,238,013.19/x
  3. Step 3: Cross multiply
    201,552,818.02x = 278,125,156.38 × 112,238,013.19
  4. Step 4: Simplify right side
    201,552,818.02x = 31,216,214,970,249,252
  5. Step 5: Solve for x
    x = 31,216,214,970,249,252/201,552,818.02
  6. Step 6: Final answer
    x = 154,878,583.57

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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.