Home / 209,640,521.60-314,460,782.40-64,073,801.60

Finding the Fourth Proportional to 209,640,521.60, 314,460,782.40 and 64,073,801.60

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Solution

The fourth proportional to 209,640,521.60, 314,460,782.40 and 64,073,801.60 is: 96,110,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,640,521.60 : 314,460,782.40 = 64,073,801.60 : x
  2. Step 2: Convert to fraction form
    209,640,521.60/314,460,782.40 = 64,073,801.60/x
  3. Step 3: Cross multiply
    209,640,521.60x = 314,460,782.40 × 64,073,801.60
  4. Step 4: Simplify right side
    209,640,521.60x = 20,148,697,782,478,372
  5. Step 5: Solve for x
    x = 20,148,697,782,478,372/209,640,521.60
  6. Step 6: Final answer
    x = 96,110,702.40

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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.