Home / 145,419,841.38-216,849,027.89-144,108,261.64

Finding the Fourth Proportional to 145,419,841.38, 216,849,027.89 and 144,108,261.64

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Solution

The fourth proportional to 145,419,841.38, 216,849,027.89 and 144,108,261.64 is: 214,893,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,419,841.38 : 216,849,027.89 = 144,108,261.64 : x
  2. Step 2: Convert to fraction form
    145,419,841.38/216,849,027.89 = 144,108,261.64/x
  3. Step 3: Cross multiply
    145,419,841.38x = 216,849,027.89 × 144,108,261.64
  4. Step 4: Simplify right side
    145,419,841.38x = 31,249,736,448,183,116
  5. Step 5: Solve for x
    x = 31,249,736,448,183,116/145,419,841.38
  6. Step 6: Final answer
    x = 214,893,209.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.