Home / 91,212,066.50-137,036,368.93-58,486,751.67

Finding the Fourth Proportional to 91,212,066.50, 137,036,368.93 and 58,486,751.67

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Solution

The fourth proportional to 91,212,066.50, 137,036,368.93 and 58,486,751.67 is: 87,870,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,212,066.50 : 137,036,368.93 = 58,486,751.67 : x
  2. Step 2: Convert to fraction form
    91,212,066.50/137,036,368.93 = 58,486,751.67/x
  3. Step 3: Cross multiply
    91,212,066.50x = 137,036,368.93 × 58,486,751.67
  4. Step 4: Simplify right side
    91,212,066.50x = 8,014,812,079,211,348
  5. Step 5: Solve for x
    x = 8,014,812,079,211,348/91,212,066.50
  6. Step 6: Final answer
    x = 87,870,085.47

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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.