Home / 130,218,809.73-195,287,075.50-42,765,916.38

Finding the Fourth Proportional to 130,218,809.73, 195,287,075.50 and 42,765,916.38

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Solution

The fourth proportional to 130,218,809.73, 195,287,075.50 and 42,765,916.38 is: 64,135,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218,809.73 : 195,287,075.50 = 42,765,916.38 : x
  2. Step 2: Convert to fraction form
    130,218,809.73/195,287,075.50 = 42,765,916.38/x
  3. Step 3: Cross multiply
    130,218,809.73x = 195,287,075.50 × 42,765,916.38
  4. Step 4: Simplify right side
    130,218,809.73x = 8,351,630,740,927,747
  5. Step 5: Solve for x
    x = 8,351,630,740,927,747/130,218,809.73
  6. Step 6: Final answer
    x = 64,135,363.84

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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.