Home / 119,316,877.14-164,732,937.30-81,702,977.64

Finding the Fourth Proportional to 119,316,877.14, 164,732,937.30 and 81,702,977.64

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Solution

The fourth proportional to 119,316,877.14, 164,732,937.30 and 81,702,977.64 is: 112,801,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,316,877.14 : 164,732,937.30 = 81,702,977.64 : x
  2. Step 2: Convert to fraction form
    119,316,877.14/164,732,937.30 = 81,702,977.64/x
  3. Step 3: Cross multiply
    119,316,877.14x = 164,732,937.30 × 81,702,977.64
  4. Step 4: Simplify right side
    119,316,877.14x = 13,459,171,492,793,424
  5. Step 5: Solve for x
    x = 13,459,171,492,793,424/119,316,877.14
  6. Step 6: Final answer
    x = 112,801,908.79

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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.