Home / 70,102,450.47-105,059,681.68-54,559,047.93

Finding the Fourth Proportional to 70,102,450.47, 105,059,681.68 and 54,559,047.93

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Solution

The fourth proportional to 70,102,450.47, 105,059,681.68 and 54,559,047.93 is: 81,765,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,450.47 : 105,059,681.68 = 54,559,047.93 : x
  2. Step 2: Convert to fraction form
    70,102,450.47/105,059,681.68 = 54,559,047.93/x
  3. Step 3: Cross multiply
    70,102,450.47x = 105,059,681.68 × 54,559,047.93
  4. Step 4: Simplify right side
    70,102,450.47x = 5,731,956,208,289,663
  5. Step 5: Solve for x
    x = 5,731,956,208,289,663/70,102,450.47
  6. Step 6: Final answer
    x = 81,765,418.61

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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.