Home / 51,238,656.36-70,702,362.54-30,607,723.08

Finding the Fourth Proportional to 51,238,656.36, 70,702,362.54 and 30,607,723.08

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Solution

The fourth proportional to 51,238,656.36, 70,702,362.54 and 30,607,723.08 is: 42,234,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238,656.36 : 70,702,362.54 = 30,607,723.08 : x
  2. Step 2: Convert to fraction form
    51,238,656.36/70,702,362.54 = 30,607,723.08/x
  3. Step 3: Cross multiply
    51,238,656.36x = 70,702,362.54 × 30,607,723.08
  4. Step 4: Simplify right side
    51,238,656.36x = 2,164,038,333,726,085.50
  5. Step 5: Solve for x
    x = 2,164,038,333,726,085.50/51,238,656.36
  6. Step 6: Final answer
    x = 42,234,486.37

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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.