Home / 164,938,358.40-247,435,531.20-49,921,987.20

Finding the Fourth Proportional to 164,938,358.40, 247,435,531.20 and 49,921,987.20

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Solution

The fourth proportional to 164,938,358.40, 247,435,531.20 and 49,921,987.20 is: 74,891,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,938,358.40 : 247,435,531.20 = 49,921,987.20 : x
  2. Step 2: Convert to fraction form
    164,938,358.40/247,435,531.20 = 49,921,987.20/x
  3. Step 3: Cross multiply
    164,938,358.40x = 247,435,531.20 × 49,921,987.20
  4. Step 4: Simplify right side
    164,938,358.40x = 12,352,473,421,391,600
  5. Step 5: Solve for x
    x = 12,352,473,421,391,600/164,938,358.40
  6. Step 6: Final answer
    x = 74,891,453.64

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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.