Home / 78,696,527.40-118,044,791.10-64,335,810.60

Finding the Fourth Proportional to 78,696,527.40, 118,044,791.10 and 64,335,810.60

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Solution

The fourth proportional to 78,696,527.40, 118,044,791.10 and 64,335,810.60 is: 96,503,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,696,527.40 : 118,044,791.10 = 64,335,810.60 : x
  2. Step 2: Convert to fraction form
    78,696,527.40/118,044,791.10 = 64,335,810.60/x
  3. Step 3: Cross multiply
    78,696,527.40x = 118,044,791.10 × 64,335,810.60
  4. Step 4: Simplify right side
    78,696,527.40x = 7,594,507,322,526,165
  5. Step 5: Solve for x
    x = 7,594,507,322,526,165/78,696,527.40
  6. Step 6: Final answer
    x = 96,503,715.90

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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.