Home / 40,803,779.80-61,205,669.70-38,465,439.40

Finding the Fourth Proportional to 40,803,779.80, 61,205,669.70 and 38,465,439.40

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Solution

The fourth proportional to 40,803,779.80, 61,205,669.70 and 38,465,439.40 is: 57,698,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,779.80 : 61,205,669.70 = 38,465,439.40 : x
  2. Step 2: Convert to fraction form
    40,803,779.80/61,205,669.70 = 38,465,439.40/x
  3. Step 3: Cross multiply
    40,803,779.80x = 61,205,669.70 × 38,465,439.40
  4. Step 4: Simplify right side
    40,803,779.80x = 2,354,302,978,781,766
  5. Step 5: Solve for x
    x = 2,354,302,978,781,766/40,803,779.80
  6. Step 6: Final answer
    x = 57,698,159.10

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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.