Home / 380,383,038.39-570,646,237.15-144,103,333.36

Finding the Fourth Proportional to 380,383,038.39, 570,646,237.15 and 144,103,333.36

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Solution

The fourth proportional to 380,383,038.39, 570,646,237.15 and 144,103,333.36 is: 216,182,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,383,038.39 : 570,646,237.15 = 144,103,333.36 : x
  2. Step 2: Convert to fraction form
    380,383,038.39/570,646,237.15 = 144,103,333.36/x
  3. Step 3: Cross multiply
    380,383,038.39x = 570,646,237.15 × 144,103,333.36
  4. Step 4: Simplify right side
    380,383,038.39x = 82,232,024,940,869,184
  5. Step 5: Solve for x
    x = 82,232,024,940,869,184/380,383,038.39
  6. Step 6: Final answer
    x = 216,182,154.94

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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.