Home / 98,069,938.54-135,336,508.77-56,840,745.76

Finding the Fourth Proportional to 98,069,938.54, 135,336,508.77 and 56,840,745.76

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Solution

The fourth proportional to 98,069,938.54, 135,336,508.77 and 56,840,745.76 is: 78,440,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,069,938.54 : 135,336,508.77 = 56,840,745.76 : x
  2. Step 2: Convert to fraction form
    98,069,938.54/135,336,508.77 = 56,840,745.76/x
  3. Step 3: Cross multiply
    98,069,938.54x = 135,336,508.77 × 56,840,745.76
  4. Step 4: Simplify right side
    98,069,938.54x = 7,692,628,087,041,581
  5. Step 5: Solve for x
    x = 7,692,628,087,041,581/98,069,938.54
  6. Step 6: Final answer
    x = 78,440,225.43

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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.