Home / 98,340,603.45-135,706,475.95-54,286,656.76

Finding the Fourth Proportional to 98,340,603.45, 135,706,475.95 and 54,286,656.76

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Solution

The fourth proportional to 98,340,603.45, 135,706,475.95 and 54,286,656.76 is: 74,913,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,603.45 : 135,706,475.95 = 54,286,656.76 : x
  2. Step 2: Convert to fraction form
    98,340,603.45/135,706,475.95 = 54,286,656.76/x
  3. Step 3: Cross multiply
    98,340,603.45x = 135,706,475.95 × 54,286,656.76
  4. Step 4: Simplify right side
    98,340,603.45x = 7,367,050,880,006,844
  5. Step 5: Solve for x
    x = 7,367,050,880,006,844/98,340,603.45
  6. Step 6: Final answer
    x = 74,913,622.87

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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.