Home / 116,148,417.72-160,318,663.84-75,920,257.36

Finding the Fourth Proportional to 116,148,417.72, 160,318,663.84 and 75,920,257.36

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Solution

The fourth proportional to 116,148,417.72, 160,318,663.84 and 75,920,257.36 is: 104,792,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,148,417.72 : 160,318,663.84 = 75,920,257.36 : x
  2. Step 2: Convert to fraction form
    116,148,417.72/160,318,663.84 = 75,920,257.36/x
  3. Step 3: Cross multiply
    116,148,417.72x = 160,318,663.84 × 75,920,257.36
  4. Step 4: Simplify right side
    116,148,417.72x = 12,171,434,218,344,126
  5. Step 5: Solve for x
    x = 12,171,434,218,344,126/116,148,417.72
  6. Step 6: Final answer
    x = 104,792,079.46

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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.