Home / 187,605,068.78-258,895,019.46-103,978,598.35

Finding the Fourth Proportional to 187,605,068.78, 258,895,019.46 and 103,978,598.35

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Solution

The fourth proportional to 187,605,068.78, 258,895,019.46 and 103,978,598.35 is: 143,490,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605,068.78 : 258,895,019.46 = 103,978,598.35 : x
  2. Step 2: Convert to fraction form
    187,605,068.78/258,895,019.46 = 103,978,598.35/x
  3. Step 3: Cross multiply
    187,605,068.78x = 258,895,019.46 × 103,978,598.35
  4. Step 4: Simplify right side
    187,605,068.78x = 26,919,541,242,616,352
  5. Step 5: Solve for x
    x = 26,919,541,242,616,352/187,605,068.78
  6. Step 6: Final answer
    x = 143,490,479.32

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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.