Home / 310,767,111.80-466,150,667.70-208,580,103.80

Finding the Fourth Proportional to 310,767,111.80, 466,150,667.70 and 208,580,103.80

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Solution

The fourth proportional to 310,767,111.80, 466,150,667.70 and 208,580,103.80 is: 312,870,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,767,111.80 : 466,150,667.70 = 208,580,103.80 : x
  2. Step 2: Convert to fraction form
    310,767,111.80/466,150,667.70 = 208,580,103.80/x
  3. Step 3: Cross multiply
    310,767,111.80x = 466,150,667.70 × 208,580,103.80
  4. Step 4: Simplify right side
    310,767,111.80x = 97,229,754,655,305,312
  5. Step 5: Solve for x
    x = 97,229,754,655,305,312/310,767,111.80
  6. Step 6: Final answer
    x = 312,870,155.70

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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.