Home / 123,048,278.10-184,572,417.15-103,042,185.30

Finding the Fourth Proportional to 123,048,278.10, 184,572,417.15 and 103,042,185.30

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Solution

The fourth proportional to 123,048,278.10, 184,572,417.15 and 103,042,185.30 is: 154,563,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,048,278.10 : 184,572,417.15 = 103,042,185.30 : x
  2. Step 2: Convert to fraction form
    123,048,278.10/184,572,417.15 = 103,042,185.30/x
  3. Step 3: Cross multiply
    123,048,278.10x = 184,572,417.15 × 103,042,185.30
  4. Step 4: Simplify right side
    123,048,278.10x = 19,018,745,209,239,196
  5. Step 5: Solve for x
    x = 19,018,745,209,239,196/123,048,278.10
  6. Step 6: Final answer
    x = 154,563,277.95

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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.