Home / 277,956,421.29-383,578,692.21-154,197,098.42

Finding the Fourth Proportional to 277,956,421.29, 383,578,692.21 and 154,197,098.42

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Solution

The fourth proportional to 277,956,421.29, 383,578,692.21 and 154,197,098.42 is: 212,791,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,956,421.29 : 383,578,692.21 = 154,197,098.42 : x
  2. Step 2: Convert to fraction form
    277,956,421.29/383,578,692.21 = 154,197,098.42/x
  3. Step 3: Cross multiply
    277,956,421.29x = 383,578,692.21 × 154,197,098.42
  4. Step 4: Simplify right side
    277,956,421.29x = 59,146,721,352,602,360
  5. Step 5: Solve for x
    x = 59,146,721,352,602,360/277,956,421.29
  6. Step 6: Final answer
    x = 212,791,347.21

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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.