Home / 258,893,302.30-388,339,953.45-157,303,491.10

Finding the Fourth Proportional to 258,893,302.30, 388,339,953.45 and 157,303,491.10

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Solution

The fourth proportional to 258,893,302.30, 388,339,953.45 and 157,303,491.10 is: 235,955,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,893,302.30 : 388,339,953.45 = 157,303,491.10 : x
  2. Step 2: Convert to fraction form
    258,893,302.30/388,339,953.45 = 157,303,491.10/x
  3. Step 3: Cross multiply
    258,893,302.30x = 388,339,953.45 × 157,303,491.10
  4. Step 4: Simplify right side
    258,893,302.30x = 61,087,230,411,296,488
  5. Step 5: Solve for x
    x = 61,087,230,411,296,488/258,893,302.30
  6. Step 6: Final answer
    x = 235,955,236.65

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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.