Home / 86,859,631.34-119,865,855.63-47,166,807.52

Finding the Fourth Proportional to 86,859,631.34, 119,865,855.63 and 47,166,807.52

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Solution

The fourth proportional to 86,859,631.34, 119,865,855.63 and 47,166,807.52 is: 65,089,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,859,631.34 : 119,865,855.63 = 47,166,807.52 : x
  2. Step 2: Convert to fraction form
    86,859,631.34/119,865,855.63 = 47,166,807.52/x
  3. Step 3: Cross multiply
    86,859,631.34x = 119,865,855.63 × 47,166,807.52
  4. Step 4: Simplify right side
    86,859,631.34x = 5,653,689,740,107,703
  5. Step 5: Solve for x
    x = 5,653,689,740,107,703/86,859,631.34
  6. Step 6: Final answer
    x = 65,089,957.82

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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.