Home / 56,063,485.80-77,365,437.66-31,282,384.68

Finding the Fourth Proportional to 56,063,485.80, 77,365,437.66 and 31,282,384.68

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Solution

The fourth proportional to 56,063,485.80, 77,365,437.66 and 31,282,384.68 is: 43,168,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,063,485.80 : 77,365,437.66 = 31,282,384.68 : x
  2. Step 2: Convert to fraction form
    56,063,485.80/77,365,437.66 = 31,282,384.68/x
  3. Step 3: Cross multiply
    56,063,485.80x = 77,365,437.66 × 31,282,384.68
  4. Step 4: Simplify right side
    56,063,485.80x = 2,420,175,381,816,679
  5. Step 5: Solve for x
    x = 2,420,175,381,816,679/56,063,485.80
  6. Step 6: Final answer
    x = 43,168,478.51

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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.