Home / 282,123,570.04-389,319,860.53-156,683,846.32

Finding the Fourth Proportional to 282,123,570.04, 389,319,860.53 and 156,683,846.32

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Solution

The fourth proportional to 282,123,570.04, 389,319,860.53 and 156,683,846.32 is: 216,217,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,123,570.04 : 389,319,860.53 = 156,683,846.32 : x
  2. Step 2: Convert to fraction form
    282,123,570.04/389,319,860.53 = 156,683,846.32/x
  3. Step 3: Cross multiply
    282,123,570.04x = 389,319,860.53 × 156,683,846.32
  4. Step 4: Simplify right side
    282,123,570.04x = 61,000,133,196,606,344
  5. Step 5: Solve for x
    x = 61,000,133,196,606,344/282,123,570.04
  6. Step 6: Final answer
    x = 216,217,784.24

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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.