Home / 51,009,357.56-76,468,723.93-19,877,808.32

Finding the Fourth Proportional to 51,009,357.56, 76,468,723.93 and 19,877,808.32

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Solution

The fourth proportional to 51,009,357.56, 76,468,723.93 and 19,877,808.32 is: 29,799,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009,357.56 : 76,468,723.93 = 19,877,808.32 : x
  2. Step 2: Convert to fraction form
    51,009,357.56/76,468,723.93 = 19,877,808.32/x
  3. Step 3: Cross multiply
    51,009,357.56x = 76,468,723.93 × 19,877,808.32
  4. Step 4: Simplify right side
    51,009,357.56x = 1,520,030,636,323,499
  5. Step 5: Solve for x
    x = 1,520,030,636,323,499/51,009,357.56
  6. Step 6: Final answer
    x = 29,799,054.70

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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.