Home / 97,023,609.10-145,535,413.65-79,804,920.70

Finding the Fourth Proportional to 97,023,609.10, 145,535,413.65 and 79,804,920.70

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Solution

The fourth proportional to 97,023,609.10, 145,535,413.65 and 79,804,920.70 is: 119,707,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,023,609.10 : 145,535,413.65 = 79,804,920.70 : x
  2. Step 2: Convert to fraction form
    97,023,609.10/145,535,413.65 = 79,804,920.70/x
  3. Step 3: Cross multiply
    97,023,609.10x = 145,535,413.65 × 79,804,920.70
  4. Step 4: Simplify right side
    97,023,609.10x = 11,614,442,145,379,948
  5. Step 5: Solve for x
    x = 11,614,442,145,379,948/97,023,609.10
  6. Step 6: Final answer
    x = 119,707,381.05

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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.