Home / 65,637,556.80-98,544,981.60-38,371,790.40

Finding the Fourth Proportional to 65,637,556.80, 98,544,981.60 and 38,371,790.40

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Solution

The fourth proportional to 65,637,556.80, 98,544,981.60 and 38,371,790.40 is: 57,609,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637,556.80 : 98,544,981.60 = 38,371,790.40 : x
  2. Step 2: Convert to fraction form
    65,637,556.80/98,544,981.60 = 38,371,790.40/x
  3. Step 3: Cross multiply
    65,637,556.80x = 98,544,981.60 × 38,371,790.40
  4. Step 4: Simplify right side
    65,637,556.80x = 3,781,347,378,927,056.50
  5. Step 5: Solve for x
    x = 3,781,347,378,927,056.50/65,637,556.80
  6. Step 6: Final answer
    x = 57,609,508.39

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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.