Home / 142,314,162.68-196,393,712.50-77,124,066.68

Finding the Fourth Proportional to 142,314,162.68, 196,393,712.50 and 77,124,066.68

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Solution

The fourth proportional to 142,314,162.68, 196,393,712.50 and 77,124,066.68 is: 106,431,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,314,162.68 : 196,393,712.50 = 77,124,066.68 : x
  2. Step 2: Convert to fraction form
    142,314,162.68/196,393,712.50 = 77,124,066.68/x
  3. Step 3: Cross multiply
    142,314,162.68x = 196,393,712.50 × 77,124,066.68
  4. Step 4: Simplify right side
    142,314,162.68x = 15,146,681,778,382,750
  5. Step 5: Solve for x
    x = 15,146,681,778,382,750/142,314,162.68
  6. Step 6: Final answer
    x = 106,431,303.06

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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.