Home / 97,132,402.20-145,679,940.90-28,977,317.40

Finding the Fourth Proportional to 97,132,402.20, 145,679,940.90 and 28,977,317.40

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Solution

The fourth proportional to 97,132,402.20, 145,679,940.90 and 28,977,317.40 is: 43,460,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,132,402.20 : 145,679,940.90 = 28,977,317.40 : x
  2. Step 2: Convert to fraction form
    97,132,402.20/145,679,940.90 = 28,977,317.40/x
  3. Step 3: Cross multiply
    97,132,402.20x = 145,679,940.90 × 28,977,317.40
  4. Step 4: Simplify right side
    97,132,402.20x = 4,221,413,886,272,541.50
  5. Step 5: Solve for x
    x = 4,221,413,886,272,541.50/97,132,402.20
  6. Step 6: Final answer
    x = 43,460,408.58

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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.