Home / 207,146,002.78-285,860,075.70-114,326,507.89

Finding the Fourth Proportional to 207,146,002.78, 285,860,075.70 and 114,326,507.89

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Solution

The fourth proportional to 207,146,002.78, 285,860,075.70 and 114,326,507.89 is: 157,769,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,146,002.78 : 285,860,075.70 = 114,326,507.89 : x
  2. Step 2: Convert to fraction form
    207,146,002.78/285,860,075.70 = 114,326,507.89/x
  3. Step 3: Cross multiply
    207,146,002.78x = 285,860,075.70 × 114,326,507.89
  4. Step 4: Simplify right side
    207,146,002.78x = 32,681,384,199,952,048
  5. Step 5: Solve for x
    x = 32,681,384,199,952,048/207,146,002.78
  6. Step 6: Final answer
    x = 157,769,803.72

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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.