Home / 76,312,315.35-105,338,387.93-45,372,410.82

Finding the Fourth Proportional to 76,312,315.35, 105,338,387.93 and 45,372,410.82

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Solution

The fourth proportional to 76,312,315.35, 105,338,387.93 and 45,372,410.82 is: 62,630,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312,315.35 : 105,338,387.93 = 45,372,410.82 : x
  2. Step 2: Convert to fraction form
    76,312,315.35/105,338,387.93 = 45,372,410.82/x
  3. Step 3: Cross multiply
    76,312,315.35x = 105,338,387.93 × 45,372,410.82
  4. Step 4: Simplify right side
    76,312,315.35x = 4,779,456,612,049,627
  5. Step 5: Solve for x
    x = 4,779,456,612,049,627/76,312,315.35
  6. Step 6: Final answer
    x = 62,630,213.62

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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.