Home / 256,069,995.24-384,105,583.32-147,604,068.12

Finding the Fourth Proportional to 256,069,995.24, 384,105,583.32 and 147,604,068.12

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Solution

The fourth proportional to 256,069,995.24, 384,105,583.32 and 147,604,068.12 is: 221,406,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,069,995.24 : 384,105,583.32 = 147,604,068.12 : x
  2. Step 2: Convert to fraction form
    256,069,995.24/384,105,583.32 = 147,604,068.12/x
  3. Step 3: Cross multiply
    256,069,995.24x = 384,105,583.32 × 147,604,068.12
  4. Step 4: Simplify right side
    256,069,995.24x = 56,695,546,685,637,616
  5. Step 5: Solve for x
    x = 56,695,546,685,637,616/256,069,995.24
  6. Step 6: Final answer
    x = 221,406,442.53

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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.