Home / 75,312,814.59-103,925,980.38-42,266,681.44

Finding the Fourth Proportional to 75,312,814.59, 103,925,980.38 and 42,266,681.44

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Solution

The fourth proportional to 75,312,814.59, 103,925,980.38 and 42,266,681.44 is: 58,324,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,312,814.59 : 103,925,980.38 = 42,266,681.44 : x
  2. Step 2: Convert to fraction form
    75,312,814.59/103,925,980.38 = 42,266,681.44/x
  3. Step 3: Cross multiply
    75,312,814.59x = 103,925,980.38 × 42,266,681.44
  4. Step 4: Simplify right side
    75,312,814.59x = 4,392,606,305,959,835.50
  5. Step 5: Solve for x
    x = 4,392,606,305,959,835.50/75,312,814.59
  6. Step 6: Final answer
    x = 58,324,819.35

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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.