Home / 103,774,870.08-143,204,855.76-56,731,048.38

Finding the Fourth Proportional to 103,774,870.08, 143,204,855.76 and 56,731,048.38

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Solution

The fourth proportional to 103,774,870.08, 143,204,855.76 and 56,731,048.38 is: 78,286,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,774,870.08 : 143,204,855.76 = 56,731,048.38 : x
  2. Step 2: Convert to fraction form
    103,774,870.08/143,204,855.76 = 56,731,048.38/x
  3. Step 3: Cross multiply
    103,774,870.08x = 143,204,855.76 × 56,731,048.38
  4. Step 4: Simplify right side
    103,774,870.08x = 8,124,161,600,371,482
  5. Step 5: Solve for x
    x = 8,124,161,600,371,482/103,774,870.08
  6. Step 6: Final answer
    x = 78,286,405.89

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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.