Home / 282,355,740.27-389,660,372.52-156,913,223.40

Finding the Fourth Proportional to 282,355,740.27, 389,660,372.52 and 156,913,223.40

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Solution

The fourth proportional to 282,355,740.27, 389,660,372.52 and 156,913,223.40 is: 216,545,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,355,740.27 : 389,660,372.52 = 156,913,223.40 : x
  2. Step 2: Convert to fraction form
    282,355,740.27/389,660,372.52 = 156,913,223.40/x
  3. Step 3: Cross multiply
    282,355,740.27x = 389,660,372.52 × 156,913,223.40
  4. Step 4: Simplify right side
    282,355,740.27x = 61,142,865,083,357,984
  5. Step 5: Solve for x
    x = 61,142,865,083,357,984/282,355,740.27
  6. Step 6: Final answer
    x = 216,545,500.46

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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.