Home / 98,312,732.64-135,671,858.64-53,659,116

Finding the Fourth Proportional to 98,312,732.64, 135,671,858.64 and 53,659,116

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Solution

The fourth proportional to 98,312,732.64, 135,671,858.64 and 53,659,116 is: 74,049,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,312,732.64 : 135,671,858.64 = 53,659,116 : x
  2. Step 2: Convert to fraction form
    98,312,732.64/135,671,858.64 = 53,659,116/x
  3. Step 3: Cross multiply
    98,312,732.64x = 135,671,858.64 × 53,659,116
  4. Step 4: Simplify right side
    98,312,732.64x = 7,280,032,000,699,361
  5. Step 5: Solve for x
    x = 7,280,032,000,699,361/98,312,732.64
  6. Step 6: Final answer
    x = 74,049,737.05

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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.