Home / 52,262,198.19-72,118,089.75-28,742,391

Finding the Fourth Proportional to 52,262,198.19, 72,118,089.75 and 28,742,391

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Solution

The fourth proportional to 52,262,198.19, 72,118,089.75 and 28,742,391 is: 39,662,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262,198.19 : 72,118,089.75 = 28,742,391 : x
  2. Step 2: Convert to fraction form
    52,262,198.19/72,118,089.75 = 28,742,391/x
  3. Step 3: Cross multiply
    52,262,198.19x = 72,118,089.75 × 28,742,391
  4. Step 4: Simplify right side
    52,262,198.19x = 2,072,846,333,767,592.25
  5. Step 5: Solve for x
    x = 2,072,846,333,767,592.25/52,262,198.19
  6. Step 6: Final answer
    x = 39,662,440.65

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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.