Home / 74,886,651.40-112,329,977.10-36,572,744.20

Finding the Fourth Proportional to 74,886,651.40, 112,329,977.10 and 36,572,744.20

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Solution

The fourth proportional to 74,886,651.40, 112,329,977.10 and 36,572,744.20 is: 54,859,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,651.40 : 112,329,977.10 = 36,572,744.20 : x
  2. Step 2: Convert to fraction form
    74,886,651.40/112,329,977.10 = 36,572,744.20/x
  3. Step 3: Cross multiply
    74,886,651.40x = 112,329,977.10 × 36,572,744.20
  4. Step 4: Simplify right side
    74,886,651.40x = 4,108,215,518,470,158
  5. Step 5: Solve for x
    x = 4,108,215,518,470,158/74,886,651.40
  6. Step 6: Final answer
    x = 54,859,116.30

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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.