Home / 288,129,567.54-432,059,796.09-103,872,776.34

Finding the Fourth Proportional to 288,129,567.54, 432,059,796.09 and 103,872,776.34

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Solution

The fourth proportional to 288,129,567.54, 432,059,796.09 and 103,872,776.34 is: 155,760,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,129,567.54 : 432,059,796.09 = 103,872,776.34 : x
  2. Step 2: Convert to fraction form
    288,129,567.54/432,059,796.09 = 103,872,776.34/x
  3. Step 3: Cross multiply
    288,129,567.54x = 432,059,796.09 × 103,872,776.34
  4. Step 4: Simplify right side
    288,129,567.54x = 44,879,250,564,762,576
  5. Step 5: Solve for x
    x = 44,879,250,564,762,576/288,129,567.54
  6. Step 6: Final answer
    x = 155,760,656.39

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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.