Home / 70,596,663.40-105,783,020.70-46,634,141.80

Finding the Fourth Proportional to 70,596,663.40, 105,783,020.70 and 46,634,141.80

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Solution

The fourth proportional to 70,596,663.40, 105,783,020.70 and 46,634,141.80 is: 69,877,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,596,663.40 : 105,783,020.70 = 46,634,141.80 : x
  2. Step 2: Convert to fraction form
    70,596,663.40/105,783,020.70 = 46,634,141.80/x
  3. Step 3: Cross multiply
    70,596,663.40x = 105,783,020.70 × 46,634,141.80
  4. Step 4: Simplify right side
    70,596,663.40x = 4,933,100,387,356,135
  5. Step 5: Solve for x
    x = 4,933,100,387,356,135/70,596,663.40
  6. Step 6: Final answer
    x = 69,877,245.61

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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.