Home / 67,698,180-93,423,488.40-38,724,804

Finding the Fourth Proportional to 67,698,180, 93,423,488.40 and 38,724,804

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Solution

The fourth proportional to 67,698,180, 93,423,488.40 and 38,724,804 is: 53,440,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698,180 : 93,423,488.40 = 38,724,804 : x
  2. Step 2: Convert to fraction form
    67,698,180/93,423,488.40 = 38,724,804/x
  3. Step 3: Cross multiply
    67,698,180x = 93,423,488.40 × 38,724,804
  4. Step 4: Simplify right side
    67,698,180x = 3,617,806,277,286,274
  5. Step 5: Solve for x
    x = 3,617,806,277,286,274/67,698,180
  6. Step 6: Final answer
    x = 53,440,229.52

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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.