Home / 136,483,886.60-204,725,829.90-84,827,821.40

Finding the Fourth Proportional to 136,483,886.60, 204,725,829.90 and 84,827,821.40

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Solution

The fourth proportional to 136,483,886.60, 204,725,829.90 and 84,827,821.40 is: 127,241,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,483,886.60 : 204,725,829.90 = 84,827,821.40 : x
  2. Step 2: Convert to fraction form
    136,483,886.60/204,725,829.90 = 84,827,821.40/x
  3. Step 3: Cross multiply
    136,483,886.60x = 204,725,829.90 × 84,827,821.40
  4. Step 4: Simplify right side
    136,483,886.60x = 17,366,446,134,723,982
  5. Step 5: Solve for x
    x = 17,366,446,134,723,982/136,483,886.60
  6. Step 6: Final answer
    x = 127,241,732.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.