Home / 78,806,669.60-118,210,004.40-44,794,445.60

Finding the Fourth Proportional to 78,806,669.60, 118,210,004.40 and 44,794,445.60

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Solution

The fourth proportional to 78,806,669.60, 118,210,004.40 and 44,794,445.60 is: 67,191,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,806,669.60 : 118,210,004.40 = 44,794,445.60 : x
  2. Step 2: Convert to fraction form
    78,806,669.60/118,210,004.40 = 44,794,445.60/x
  3. Step 3: Cross multiply
    78,806,669.60x = 118,210,004.40 × 44,794,445.60
  4. Step 4: Simplify right side
    78,806,669.60x = 5,295,151,611,471,561
  5. Step 5: Solve for x
    x = 5,295,151,611,471,561/78,806,669.60
  6. Step 6: Final answer
    x = 67,191,668.40

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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.