Home / 147,429,539.10-221,170,880.70-61,176,664.80

Finding the Fourth Proportional to 147,429,539.10, 221,170,880.70 and 61,176,664.80

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Solution

The fourth proportional to 147,429,539.10, 221,170,880.70 and 61,176,664.80 is: 91,776,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,429,539.10 : 221,170,880.70 = 61,176,664.80 : x
  2. Step 2: Convert to fraction form
    147,429,539.10/221,170,880.70 = 61,176,664.80/x
  3. Step 3: Cross multiply
    147,429,539.10x = 221,170,880.70 × 61,176,664.80
  4. Step 4: Simplify right side
    147,429,539.10x = 13,530,496,832,104,688
  5. Step 5: Solve for x
    x = 13,530,496,832,104,688/147,429,539.10
  6. Step 6: Final answer
    x = 91,776,023.41

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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.