Home / 83,767,209.60-125,650,814.40-56,557,430.40

Finding the Fourth Proportional to 83,767,209.60, 125,650,814.40 and 56,557,430.40

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Solution

The fourth proportional to 83,767,209.60, 125,650,814.40 and 56,557,430.40 is: 84,836,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,767,209.60 : 125,650,814.40 = 56,557,430.40 : x
  2. Step 2: Convert to fraction form
    83,767,209.60/125,650,814.40 = 56,557,430.40/x
  3. Step 3: Cross multiply
    83,767,209.60x = 125,650,814.40 × 56,557,430.40
  4. Step 4: Simplify right side
    83,767,209.60x = 7,106,487,190,131,318
  5. Step 5: Solve for x
    x = 7,106,487,190,131,318/83,767,209.60
  6. Step 6: Final answer
    x = 84,836,145.60

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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.