Home / 56,023,667.28-77,312,734.74-30,905,210.16

Finding the Fourth Proportional to 56,023,667.28, 77,312,734.74 and 30,905,210.16

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Solution

The fourth proportional to 56,023,667.28, 77,312,734.74 and 30,905,210.16 is: 42,649,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,023,667.28 : 77,312,734.74 = 30,905,210.16 : x
  2. Step 2: Convert to fraction form
    56,023,667.28/77,312,734.74 = 30,905,210.16/x
  3. Step 3: Cross multiply
    56,023,667.28x = 77,312,734.74 × 30,905,210.16
  4. Step 4: Simplify right side
    56,023,667.28x = 2,389,366,315,184,033
  5. Step 5: Solve for x
    x = 2,389,366,315,184,033/56,023,667.28
  6. Step 6: Final answer
    x = 42,649,230.78

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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.