Home / 76,319,215-105,291,985.33-44,938,085.28

Finding the Fourth Proportional to 76,319,215, 105,291,985.33 and 44,938,085.28

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Solution

The fourth proportional to 76,319,215, 105,291,985.33 and 44,938,085.28 is: 61,997,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,319,215 : 105,291,985.33 = 44,938,085.28 : x
  2. Step 2: Convert to fraction form
    76,319,215/105,291,985.33 = 44,938,085.28/x
  3. Step 3: Cross multiply
    76,319,215x = 105,291,985.33 × 44,938,085.28
  4. Step 4: Simplify right side
    76,319,215x = 4,731,620,216,060,049
  5. Step 5: Solve for x
    x = 4,731,620,216,060,049/76,319,215
  6. Step 6: Final answer
    x = 61,997,757.92

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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.