Home / 117,235,607.46-161,679,289.05-73,186,666.98

Finding the Fourth Proportional to 117,235,607.46, 161,679,289.05 and 73,186,666.98

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Solution

The fourth proportional to 117,235,607.46, 161,679,289.05 and 73,186,666.98 is: 100,931,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235,607.46 : 161,679,289.05 = 73,186,666.98 : x
  2. Step 2: Convert to fraction form
    117,235,607.46/161,679,289.05 = 73,186,666.98/x
  3. Step 3: Cross multiply
    117,235,607.46x = 161,679,289.05 × 73,186,666.98
  4. Step 4: Simplify right side
    117,235,607.46x = 11,832,768,285,265,512
  5. Step 5: Solve for x
    x = 11,832,768,285,265,512/117,235,607.46
  6. Step 6: Final answer
    x = 100,931,521.93

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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.