Home / 57,082,350.84-78,773,695.67-30,976,868.93

Finding the Fourth Proportional to 57,082,350.84, 78,773,695.67 and 30,976,868.93

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Solution

The fourth proportional to 57,082,350.84, 78,773,695.67 and 30,976,868.93 is: 42,748,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082,350.84 : 78,773,695.67 = 30,976,868.93 : x
  2. Step 2: Convert to fraction form
    57,082,350.84/78,773,695.67 = 30,976,868.93/x
  3. Step 3: Cross multiply
    57,082,350.84x = 78,773,695.67 × 30,976,868.93
  4. Step 4: Simplify right side
    57,082,350.84x = 2,440,162,445,875,506
  5. Step 5: Solve for x
    x = 2,440,162,445,875,506/57,082,350.84
  6. Step 6: Final answer
    x = 42,748,107.07

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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.