Home / 438,632,084.25-657,943,053.95-106,640,974.58

Finding the Fourth Proportional to 438,632,084.25, 657,943,053.95 and 106,640,974.58

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Solution

The fourth proportional to 438,632,084.25, 657,943,053.95 and 106,640,974.58 is: 159,960,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,632,084.25 : 657,943,053.95 = 106,640,974.58 : x
  2. Step 2: Convert to fraction form
    438,632,084.25/657,943,053.95 = 106,640,974.58/x
  3. Step 3: Cross multiply
    438,632,084.25x = 657,943,053.95 × 106,640,974.58
  4. Step 4: Simplify right side
    438,632,084.25x = 70,163,688,488,346,408
  5. Step 5: Solve for x
    x = 70,163,688,488,346,408/438,632,084.25
  6. Step 6: Final answer
    x = 159,960,228.65

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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.