Home / 61,992,140.91-93,001,663.44-18,860,223.35

Finding the Fourth Proportional to 61,992,140.91, 93,001,663.44 and 18,860,223.35

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Solution

The fourth proportional to 61,992,140.91, 93,001,663.44 and 18,860,223.35 is: 28,294,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992,140.91 : 93,001,663.44 = 18,860,223.35 : x
  2. Step 2: Convert to fraction form
    61,992,140.91/93,001,663.44 = 18,860,223.35/x
  3. Step 3: Cross multiply
    61,992,140.91x = 93,001,663.44 × 18,860,223.35
  4. Step 4: Simplify right side
    61,992,140.91x = 1,754,032,143,934,920.75
  5. Step 5: Solve for x
    x = 1,754,032,143,934,920.75/61,992,140.91
  6. Step 6: Final answer
    x = 28,294,427.62

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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.