Home / 79,287,051.60-118,930,577.40-70,972,952.40

Finding the Fourth Proportional to 79,287,051.60, 118,930,577.40 and 70,972,952.40

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Solution

The fourth proportional to 79,287,051.60, 118,930,577.40 and 70,972,952.40 is: 106,459,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,287,051.60 : 118,930,577.40 = 70,972,952.40 : x
  2. Step 2: Convert to fraction form
    79,287,051.60/118,930,577.40 = 70,972,952.40/x
  3. Step 3: Cross multiply
    79,287,051.60x = 118,930,577.40 × 70,972,952.40
  4. Step 4: Simplify right side
    79,287,051.60x = 8,440,854,208,714,717
  5. Step 5: Solve for x
    x = 8,440,854,208,714,717/79,287,051.60
  6. Step 6: Final answer
    x = 106,459,428.60

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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.