Home / 143,449,539.51-215,173,586.95-56,019,934.67

Finding the Fourth Proportional to 143,449,539.51, 215,173,586.95 and 56,019,934.67

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Solution

The fourth proportional to 143,449,539.51, 215,173,586.95 and 56,019,934.67 is: 84,029,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,449,539.51 : 215,173,586.95 = 56,019,934.67 : x
  2. Step 2: Convert to fraction form
    143,449,539.51/215,173,586.95 = 56,019,934.67/x
  3. Step 3: Cross multiply
    143,449,539.51x = 215,173,586.95 × 56,019,934.67
  4. Step 4: Simplify right side
    143,449,539.51x = 12,054,010,284,046,448
  5. Step 5: Solve for x
    x = 12,054,010,284,046,448/143,449,539.51
  6. Step 6: Final answer
    x = 84,029,619.93

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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.