Home / 79,132,078.20-118,698,117.30-53,304,045.60

Finding the Fourth Proportional to 79,132,078.20, 118,698,117.30 and 53,304,045.60

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Solution

The fourth proportional to 79,132,078.20, 118,698,117.30 and 53,304,045.60 is: 79,956,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132,078.20 : 118,698,117.30 = 53,304,045.60 : x
  2. Step 2: Convert to fraction form
    79,132,078.20/118,698,117.30 = 53,304,045.60/x
  3. Step 3: Cross multiply
    79,132,078.20x = 118,698,117.30 × 53,304,045.60
  4. Step 4: Simplify right side
    79,132,078.20x = 6,327,089,857,193,349
  5. Step 5: Solve for x
    x = 6,327,089,857,193,349/79,132,078.20
  6. Step 6: Final answer
    x = 79,956,068.40

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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.