Home / 119,943,896.23-165,494,106.75-72,900,148.42

Finding the Fourth Proportional to 119,943,896.23, 165,494,106.75 and 72,900,148.42

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Solution

The fourth proportional to 119,943,896.23, 165,494,106.75 and 72,900,148.42 is: 100,584,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,943,896.23 : 165,494,106.75 = 72,900,148.42 : x
  2. Step 2: Convert to fraction form
    119,943,896.23/165,494,106.75 = 72,900,148.42/x
  3. Step 3: Cross multiply
    119,943,896.23x = 165,494,106.75 × 72,900,148.42
  4. Step 4: Simplify right side
    119,943,896.23x = 12,064,544,944,710,324
  5. Step 5: Solve for x
    x = 12,064,544,944,710,324/119,943,896.23
  6. Step 6: Final answer
    x = 100,584,901.14

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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.