Home / 112,662,684.95-155,550,426.21-70,340,747.75

Finding the Fourth Proportional to 112,662,684.95, 155,550,426.21 and 70,340,747.75

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Solution

The fourth proportional to 112,662,684.95, 155,550,426.21 and 70,340,747.75 is: 97,117,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,662,684.95 : 155,550,426.21 = 70,340,747.75 : x
  2. Step 2: Convert to fraction form
    112,662,684.95/155,550,426.21 = 70,340,747.75/x
  3. Step 3: Cross multiply
    112,662,684.95x = 155,550,426.21 × 70,340,747.75
  4. Step 4: Simplify right side
    112,662,684.95x = 10,941,533,291,664,848
  5. Step 5: Solve for x
    x = 10,941,533,291,664,848/112,662,684.95
  6. Step 6: Final answer
    x = 97,117,633.02

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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.