Home / 309,329,769.44-463,895,411.12-102,021,570.40

Finding the Fourth Proportional to 309,329,769.44, 463,895,411.12 and 102,021,570.40

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Solution

The fourth proportional to 309,329,769.44, 463,895,411.12 and 102,021,570.40 is: 152,999,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,329,769.44 : 463,895,411.12 = 102,021,570.40 : x
  2. Step 2: Convert to fraction form
    309,329,769.44/463,895,411.12 = 102,021,570.40/x
  3. Step 3: Cross multiply
    309,329,769.44x = 463,895,411.12 × 102,021,570.40
  4. Step 4: Simplify right side
    309,329,769.44x = 47,327,338,343,816,024
  5. Step 5: Solve for x
    x = 47,327,338,343,816,024/309,329,769.44
  6. Step 6: Final answer
    x = 152,999,623.77

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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.