Home / 119,873,412.10-165,425,308.95-64,869,268.60

Finding the Fourth Proportional to 119,873,412.10, 165,425,308.95 and 64,869,268.60

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Solution

The fourth proportional to 119,873,412.10, 165,425,308.95 and 64,869,268.60 is: 89,519,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,412.10 : 165,425,308.95 = 64,869,268.60 : x
  2. Step 2: Convert to fraction form
    119,873,412.10/165,425,308.95 = 64,869,268.60/x
  3. Step 3: Cross multiply
    119,873,412.10x = 165,425,308.95 × 64,869,268.60
  4. Step 4: Simplify right side
    119,873,412.10x = 10,731,018,799,515,534
  5. Step 5: Solve for x
    x = 10,731,018,799,515,534/119,873,412.10
  6. Step 6: Final answer
    x = 89,519,590.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.