Home / 79,130,675.20-118,696,012.80-53,302,642.60

Finding the Fourth Proportional to 79,130,675.20, 118,696,012.80 and 53,302,642.60

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Solution

The fourth proportional to 79,130,675.20, 118,696,012.80 and 53,302,642.60 is: 79,953,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,130,675.20 : 118,696,012.80 = 53,302,642.60 : x
  2. Step 2: Convert to fraction form
    79,130,675.20/118,696,012.80 = 53,302,642.60/x
  3. Step 3: Cross multiply
    79,130,675.20x = 118,696,012.80 × 53,302,642.60
  4. Step 4: Simplify right side
    79,130,675.20x = 6,326,811,148,323,425
  5. Step 5: Solve for x
    x = 6,326,811,148,323,425/79,130,675.20
  6. Step 6: Final answer
    x = 79,953,963.90

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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.