Home / 220,143,992.61-330,216,050.45-64,697,792.32

Finding the Fourth Proportional to 220,143,992.61, 330,216,050.45 and 64,697,792.32

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Solution

The fourth proportional to 220,143,992.61, 330,216,050.45 and 64,697,792.32 is: 97,046,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,143,992.61 : 330,216,050.45 = 64,697,792.32 : x
  2. Step 2: Convert to fraction form
    220,143,992.61/330,216,050.45 = 64,697,792.32/x
  3. Step 3: Cross multiply
    220,143,992.61x = 330,216,050.45 × 64,697,792.32
  4. Step 4: Simplify right side
    220,143,992.61x = 21,364,249,452,744,740
  5. Step 5: Solve for x
    x = 21,364,249,452,744,740/220,143,992.61
  6. Step 6: Final answer
    x = 97,046,706.56

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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.