Home / 256,209,146.20-384,363,485.70-110,642,426.20

Finding the Fourth Proportional to 256,209,146.20, 384,363,485.70 and 110,642,426.20

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Solution

The fourth proportional to 256,209,146.20, 384,363,485.70 and 110,642,426.20 is: 165,985,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,209,146.20 : 384,363,485.70 = 110,642,426.20 : x
  2. Step 2: Convert to fraction form
    256,209,146.20/384,363,485.70 = 110,642,426.20/x
  3. Step 3: Cross multiply
    256,209,146.20x = 384,363,485.70 × 110,642,426.20
  4. Step 4: Simplify right side
    256,209,146.20x = 42,526,908,600,537,008
  5. Step 5: Solve for x
    x = 42,526,908,600,537,008/256,209,146.20
  6. Step 6: Final answer
    x = 165,985,130.63

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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.