Home / 461,952,003.40-692,928,005.10-138,835,875.40

Finding the Fourth Proportional to 461,952,003.40, 692,928,005.10 and 138,835,875.40

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Solution

The fourth proportional to 461,952,003.40, 692,928,005.10 and 138,835,875.40 is: 208,253,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,952,003.40 : 692,928,005.10 = 138,835,875.40 : x
  2. Step 2: Convert to fraction form
    461,952,003.40/692,928,005.10 = 138,835,875.40/x
  3. Step 3: Cross multiply
    461,952,003.40x = 692,928,005.10 × 138,835,875.40
  4. Step 4: Simplify right side
    461,952,003.40x = 96,203,266,177,234,176
  5. Step 5: Solve for x
    x = 96,203,266,177,234,176/461,952,003.40
  6. Step 6: Final answer
    x = 208,253,813.10

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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.