Home / 98,069,904.04-135,336,461.16-56,840,711.28

Finding the Fourth Proportional to 98,069,904.04, 135,336,461.16 and 56,840,711.28

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Solution

The fourth proportional to 98,069,904.04, 135,336,461.16 and 56,840,711.28 is: 78,440,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,069,904.04 : 135,336,461.16 = 56,840,711.28 : x
  2. Step 2: Convert to fraction form
    98,069,904.04/135,336,461.16 = 56,840,711.28/x
  3. Step 3: Cross multiply
    98,069,904.04x = 135,336,461.16 × 56,840,711.28
  4. Step 4: Simplify right side
    98,069,904.04x = 7,692,620,714,452,494
  5. Step 5: Solve for x
    x = 7,692,620,714,452,494/98,069,904.04
  6. Step 6: Final answer
    x = 78,440,177.85

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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.