Home / 119,873,484.63-165,425,409-64,869,341.13

Finding the Fourth Proportional to 119,873,484.63, 165,425,409 and 64,869,341.13

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Solution

The fourth proportional to 119,873,484.63, 165,425,409 and 64,869,341.13 is: 89,519,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,484.63 : 165,425,409 = 64,869,341.13 : x
  2. Step 2: Convert to fraction form
    119,873,484.63/165,425,409 = 64,869,341.13/x
  3. Step 3: Cross multiply
    119,873,484.63x = 165,425,409 × 64,869,341.13
  4. Step 4: Simplify right side
    119,873,484.63x = 10,731,037,287,990,772
  5. Step 5: Solve for x
    x = 10,731,037,287,990,772/119,873,484.63
  6. Step 6: Final answer
    x = 89,519,690.87

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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.