Home / 103,666,966.26-143,059,562.91-56,624,069.76

Finding the Fourth Proportional to 103,666,966.26, 143,059,562.91 and 56,624,069.76

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Solution

The fourth proportional to 103,666,966.26, 143,059,562.91 and 56,624,069.76 is: 78,140,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666,966.26 : 143,059,562.91 = 56,624,069.76 : x
  2. Step 2: Convert to fraction form
    103,666,966.26/143,059,562.91 = 56,624,069.76/x
  3. Step 3: Cross multiply
    103,666,966.26x = 143,059,562.91 × 56,624,069.76
  4. Step 4: Simplify right side
    103,666,966.26x = 8,100,614,670,050,948
  5. Step 5: Solve for x
    x = 8,100,614,670,050,948/103,666,966.26
  6. Step 6: Final answer
    x = 78,140,751.70

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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.