Home / 72,131,509.56-99,551,691.18-44,638,295.16

Finding the Fourth Proportional to 72,131,509.56, 99,551,691.18 and 44,638,295.16

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Solution

The fourth proportional to 72,131,509.56, 99,551,691.18 and 44,638,295.16 is: 61,607,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,131,509.56 : 99,551,691.18 = 44,638,295.16 : x
  2. Step 2: Convert to fraction form
    72,131,509.56/99,551,691.18 = 44,638,295.16/x
  3. Step 3: Cross multiply
    72,131,509.56x = 99,551,691.18 × 44,638,295.16
  4. Step 4: Simplify right side
    72,131,509.56x = 4,443,817,774,570,008.50
  5. Step 5: Solve for x
    x = 4,443,817,774,570,008.50/72,131,509.56
  6. Step 6: Final answer
    x = 61,607,164.49

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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.