Home / 307,636,213.41-424,537,940.34-166,507,409.70

Finding the Fourth Proportional to 307,636,213.41, 424,537,940.34 and 166,507,409.70

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Solution

The fourth proportional to 307,636,213.41, 424,537,940.34 and 166,507,409.70 is: 229,780,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,636,213.41 : 424,537,940.34 = 166,507,409.70 : x
  2. Step 2: Convert to fraction form
    307,636,213.41/424,537,940.34 = 166,507,409.70/x
  3. Step 3: Cross multiply
    307,636,213.41x = 424,537,940.34 × 166,507,409.70
  4. Step 4: Simplify right side
    307,636,213.41x = 70,688,712,765,386,528
  5. Step 5: Solve for x
    x = 70,688,712,765,386,528/307,636,213.41
  6. Step 6: Final answer
    x = 229,780,206.89

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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.