Home / 142,416,413.90-213,531,308.85-56,102,813.90

Finding the Fourth Proportional to 142,416,413.90, 213,531,308.85 and 56,102,813.90

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Solution

The fourth proportional to 142,416,413.90, 213,531,308.85 and 56,102,813.90 is: 84,117,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,416,413.90 : 213,531,308.85 = 56,102,813.90 : x
  2. Step 2: Convert to fraction form
    142,416,413.90/213,531,308.85 = 56,102,813.90/x
  3. Step 3: Cross multiply
    142,416,413.90x = 213,531,308.85 × 56,102,813.90
  4. Step 4: Simplify right side
    142,416,413.90x = 11,979,707,282,234,972
  5. Step 5: Solve for x
    x = 11,979,707,282,234,972/142,416,413.90
  6. Step 6: Final answer
    x = 84,117,461.98

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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.