Home / 90,440,363.41-124,807,763.01-50,742,413.95

Finding the Fourth Proportional to 90,440,363.41, 124,807,763.01 and 50,742,413.95

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Solution

The fourth proportional to 90,440,363.41, 124,807,763.01 and 50,742,413.95 is: 70,024,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440,363.41 : 124,807,763.01 = 50,742,413.95 : x
  2. Step 2: Convert to fraction form
    90,440,363.41/124,807,763.01 = 50,742,413.95/x
  3. Step 3: Cross multiply
    90,440,363.41x = 124,807,763.01 × 50,742,413.95
  4. Step 4: Simplify right side
    90,440,363.41x = 6,333,047,174,826,919
  5. Step 5: Solve for x
    x = 6,333,047,174,826,919/90,440,363.41
  6. Step 6: Final answer
    x = 70,024,565.76

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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.