Home / 210,329,825.04-290,249,801.28-117,511,030.80

Finding the Fourth Proportional to 210,329,825.04, 290,249,801.28 and 117,511,030.80

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Solution

The fourth proportional to 210,329,825.04, 290,249,801.28 and 117,511,030.80 is: 162,162,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329,825.04 : 290,249,801.28 = 117,511,030.80 : x
  2. Step 2: Convert to fraction form
    210,329,825.04/290,249,801.28 = 117,511,030.80/x
  3. Step 3: Cross multiply
    210,329,825.04x = 290,249,801.28 × 117,511,030.80
  4. Step 4: Simplify right side
    210,329,825.04x = 34,107,553,337,907,956
  5. Step 5: Solve for x
    x = 34,107,553,337,907,956/210,329,825.04
  6. Step 6: Final answer
    x = 162,162,229.40

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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.