Home / 82,947,809.60-124,405,125.60-39,816,929.60

Finding the Fourth Proportional to 82,947,809.60, 124,405,125.60 and 39,816,929.60

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Solution

The fourth proportional to 82,947,809.60, 124,405,125.60 and 39,816,929.60 is: 59,717,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947,809.60 : 124,405,125.60 = 39,816,929.60 : x
  2. Step 2: Convert to fraction form
    82,947,809.60/124,405,125.60 = 39,816,929.60/x
  3. Step 3: Cross multiply
    82,947,809.60x = 124,405,125.60 × 39,816,929.60
  4. Step 4: Simplify right side
    82,947,809.60x = 4,953,430,127,894,358
  5. Step 5: Solve for x
    x = 4,953,430,127,894,358/82,947,809.60
  6. Step 6: Final answer
    x = 59,717,431.38

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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.