Home / 35,479,779.60-53,219,669.40-31,889,600.40

Finding the Fourth Proportional to 35,479,779.60, 53,219,669.40 and 31,889,600.40

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Solution

The fourth proportional to 35,479,779.60, 53,219,669.40 and 31,889,600.40 is: 47,834,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479,779.60 : 53,219,669.40 = 31,889,600.40 : x
  2. Step 2: Convert to fraction form
    35,479,779.60/53,219,669.40 = 31,889,600.40/x
  3. Step 3: Cross multiply
    35,479,779.60x = 53,219,669.40 × 31,889,600.40
  4. Step 4: Simplify right side
    35,479,779.60x = 1,697,153,990,586,107.75
  5. Step 5: Solve for x
    x = 1,697,153,990,586,107.75/35,479,779.60
  6. Step 6: Final answer
    x = 47,834,400.60

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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.