Home / 79,287,055.60-118,930,583.40-70,972,956.40

Finding the Fourth Proportional to 79,287,055.60, 118,930,583.40 and 70,972,956.40

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Solution

The fourth proportional to 79,287,055.60, 118,930,583.40 and 70,972,956.40 is: 106,459,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,287,055.60 : 118,930,583.40 = 70,972,956.40 : x
  2. Step 2: Convert to fraction form
    79,287,055.60/118,930,583.40 = 70,972,956.40/x
  3. Step 3: Cross multiply
    79,287,055.60x = 118,930,583.40 × 70,972,956.40
  4. Step 4: Simplify right side
    79,287,055.60x = 8,440,855,110,274,765
  5. Step 5: Solve for x
    x = 8,440,855,110,274,765/79,287,055.60
  6. Step 6: Final answer
    x = 106,459,434.60

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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.