Home / 145,685,905.80-218,528,858.70-37,980,529.80

Finding the Fourth Proportional to 145,685,905.80, 218,528,858.70 and 37,980,529.80

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Solution

The fourth proportional to 145,685,905.80, 218,528,858.70 and 37,980,529.80 is: 56,970,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,685,905.80 : 218,528,858.70 = 37,980,529.80 : x
  2. Step 2: Convert to fraction form
    145,685,905.80/218,528,858.70 = 37,980,529.80/x
  3. Step 3: Cross multiply
    145,685,905.80x = 218,528,858.70 × 37,980,529.80
  4. Step 4: Simplify right side
    145,685,905.80x = 8,299,841,830,015,338
  5. Step 5: Solve for x
    x = 8,299,841,830,015,338/145,685,905.80
  6. Step 6: Final answer
    x = 56,970,794.70

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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.