Home / 76,312,315.85-105,338,388.62-45,372,411.32

Finding the Fourth Proportional to 76,312,315.85, 105,338,388.62 and 45,372,411.32

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Solution

The fourth proportional to 76,312,315.85, 105,338,388.62 and 45,372,411.32 is: 62,630,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312,315.85 : 105,338,388.62 = 45,372,411.32 : x
  2. Step 2: Convert to fraction form
    76,312,315.85/105,338,388.62 = 45,372,411.32/x
  3. Step 3: Cross multiply
    76,312,315.85x = 105,338,388.62 × 45,372,411.32
  4. Step 4: Simplify right side
    76,312,315.85x = 4,779,456,696,025,785
  5. Step 5: Solve for x
    x = 4,779,456,696,025,785/76,312,315.85
  6. Step 6: Final answer
    x = 62,630,214.31

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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.