Home / 66,446,779.10-99,471,103.05-39,506,567.90

Finding the Fourth Proportional to 66,446,779.10, 99,471,103.05 and 39,506,567.90

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Solution

The fourth proportional to 66,446,779.10, 99,471,103.05 and 39,506,567.90 is: 59,141,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446,779.10 : 99,471,103.05 = 39,506,567.90 : x
  2. Step 2: Convert to fraction form
    66,446,779.10/99,471,103.05 = 39,506,567.90/x
  3. Step 3: Cross multiply
    66,446,779.10x = 99,471,103.05 × 39,506,567.90
  4. Step 4: Simplify right side
    66,446,779.10x = 3,929,761,886,732,722
  5. Step 5: Solve for x
    x = 3,929,761,886,732,722/66,446,779.10
  6. Step 6: Final answer
    x = 59,141,495.49

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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.