Home / 256,069,992.10-384,105,578.64-147,604,064.98

Finding the Fourth Proportional to 256,069,992.10, 384,105,578.64 and 147,604,064.98

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Solution

The fourth proportional to 256,069,992.10, 384,105,578.64 and 147,604,064.98 is: 221,406,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,069,992.10 : 384,105,578.64 = 147,604,064.98 : x
  2. Step 2: Convert to fraction form
    256,069,992.10/384,105,578.64 = 147,604,064.98/x
  3. Step 3: Cross multiply
    256,069,992.10x = 384,105,578.64 × 147,604,064.98
  4. Step 4: Simplify right side
    256,069,992.10x = 56,695,544,788,759,056
  5. Step 5: Solve for x
    x = 56,695,544,788,759,056/256,069,992.10
  6. Step 6: Final answer
    x = 221,406,437.84

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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.