Home / 126,423,779.06-189,635,742.41-35,547,368.06

Finding the Fourth Proportional to 126,423,779.06, 189,635,742.41 and 35,547,368.06

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Solution

The fourth proportional to 126,423,779.06, 189,635,742.41 and 35,547,368.06 is: 53,321,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,423,779.06 : 189,635,742.41 = 35,547,368.06 : x
  2. Step 2: Convert to fraction form
    126,423,779.06/189,635,742.41 = 35,547,368.06/x
  3. Step 3: Cross multiply
    126,423,779.06x = 189,635,742.41 × 35,547,368.06
  4. Step 4: Simplify right side
    126,423,779.06x = 6,741,051,533,075,974
  5. Step 5: Solve for x
    x = 6,741,051,533,075,974/126,423,779.06
  6. Step 6: Final answer
    x = 53,321,072.85

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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.