Home / 354,294,641.60-531,441,962.40-98,993,009.60

Finding the Fourth Proportional to 354,294,641.60, 531,441,962.40 and 98,993,009.60

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Solution

The fourth proportional to 354,294,641.60, 531,441,962.40 and 98,993,009.60 is: 148,489,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,641.60 : 531,441,962.40 = 98,993,009.60 : x
  2. Step 2: Convert to fraction form
    354,294,641.60/531,441,962.40 = 98,993,009.60/x
  3. Step 3: Cross multiply
    354,294,641.60x = 531,441,962.40 × 98,993,009.60
  4. Step 4: Simplify right side
    354,294,641.60x = 52,609,039,285,706,032
  5. Step 5: Solve for x
    x = 52,609,039,285,706,032/354,294,641.60
  6. Step 6: Final answer
    x = 148,489,514.40

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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.