Home / 46,764,947.40-70,147,421.10-21,255,779.40

Finding the Fourth Proportional to 46,764,947.40, 70,147,421.10 and 21,255,779.40

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Solution

The fourth proportional to 46,764,947.40, 70,147,421.10 and 21,255,779.40 is: 31,883,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,764,947.40 : 70,147,421.10 = 21,255,779.40 : x
  2. Step 2: Convert to fraction form
    46,764,947.40/70,147,421.10 = 21,255,779.40/x
  3. Step 3: Cross multiply
    46,764,947.40x = 70,147,421.10 × 21,255,779.40
  4. Step 4: Simplify right side
    46,764,947.40x = 1,491,038,108,380,505
  5. Step 5: Solve for x
    x = 1,491,038,108,380,505/46,764,947.40
  6. Step 6: Final answer
    x = 31,883,669.10

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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.