Home / 282,355,741.77-389,660,374.59-156,913,224.90

Finding the Fourth Proportional to 282,355,741.77, 389,660,374.59 and 156,913,224.90

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Solution

The fourth proportional to 282,355,741.77, 389,660,374.59 and 156,913,224.90 is: 216,545,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,355,741.77 : 389,660,374.59 = 156,913,224.90 : x
  2. Step 2: Convert to fraction form
    282,355,741.77/389,660,374.59 = 156,913,224.90/x
  3. Step 3: Cross multiply
    282,355,741.77x = 389,660,374.59 × 156,913,224.90
  4. Step 4: Simplify right side
    282,355,741.77x = 61,142,865,992,658,912
  5. Step 5: Solve for x
    x = 61,142,865,992,658,912/282,355,741.77
  6. Step 6: Final answer
    x = 216,545,502.53

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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.