Home / 79,977,885.90-110,369,455.59-43,308,456.90

Finding the Fourth Proportional to 79,977,885.90, 110,369,455.59 and 43,308,456.90

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Solution

The fourth proportional to 79,977,885.90, 110,369,455.59 and 43,308,456.90 is: 59,765,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,977,885.90 : 110,369,455.59 = 43,308,456.90 : x
  2. Step 2: Convert to fraction form
    79,977,885.90/110,369,455.59 = 43,308,456.90/x
  3. Step 3: Cross multiply
    79,977,885.90x = 110,369,455.59 × 43,308,456.90
  4. Step 4: Simplify right side
    79,977,885.90x = 4,779,930,810,495,979
  5. Step 5: Solve for x
    x = 4,779,930,810,495,979/79,977,885.90
  6. Step 6: Final answer
    x = 59,765,655.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.