Home / 282,535,141.93-389,903,030.43-155,380,845.94

Finding the Fourth Proportional to 282,535,141.93, 389,903,030.43 and 155,380,845.94

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Solution

The fourth proportional to 282,535,141.93, 389,903,030.43 and 155,380,845.94 is: 214,428,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,535,141.93 : 389,903,030.43 = 155,380,845.94 : x
  2. Step 2: Convert to fraction form
    282,535,141.93/389,903,030.43 = 155,380,845.94/x
  3. Step 3: Cross multiply
    282,535,141.93x = 389,903,030.43 × 155,380,845.94
  4. Step 4: Simplify right side
    282,535,141.93x = 60,583,462,701,225,520
  5. Step 5: Solve for x
    x = 60,583,462,701,225,520/282,535,141.93
  6. Step 6: Final answer
    x = 214,428,061.19

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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.