Home / 101,153,432.57-139,590,263.48-56,500,040.05

Finding the Fourth Proportional to 101,153,432.57, 139,590,263.48 and 56,500,040.05

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Solution

The fourth proportional to 101,153,432.57, 139,590,263.48 and 56,500,040.05 is: 77,969,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,153,432.57 : 139,590,263.48 = 56,500,040.05 : x
  2. Step 2: Convert to fraction form
    101,153,432.57/139,590,263.48 = 56,500,040.05/x
  3. Step 3: Cross multiply
    101,153,432.57x = 139,590,263.48 × 56,500,040.05
  4. Step 4: Simplify right side
    101,153,432.57x = 7,886,855,476,938,181
  5. Step 5: Solve for x
    x = 7,886,855,476,938,181/101,153,432.57
  6. Step 6: Final answer
    x = 77,969,232.25

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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.