Home / 309,329,205.84-463,894,567.56-102,021,010.20

Finding the Fourth Proportional to 309,329,205.84, 463,894,567.56 and 102,021,010.20

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Solution

The fourth proportional to 309,329,205.84, 463,894,567.56 and 102,021,010.20 is: 152,998,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,329,205.84 : 463,894,567.56 = 102,021,010.20 : x
  2. Step 2: Convert to fraction form
    309,329,205.84/463,894,567.56 = 102,021,010.20/x
  3. Step 3: Cross multiply
    309,329,205.84x = 463,894,567.56 × 102,021,010.20
  4. Step 4: Simplify right side
    309,329,205.84x = 47,326,992,408,763,352
  5. Step 5: Solve for x
    x = 47,326,992,408,763,352/309,329,205.84
  6. Step 6: Final answer
    x = 152,998,784.19

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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.