Home / 86,841,931.59-119,841,866.15-47,683,708.56

Finding the Fourth Proportional to 86,841,931.59, 119,841,866.15 and 47,683,708.56

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Solution

The fourth proportional to 86,841,931.59, 119,841,866.15 and 47,683,708.56 is: 65,803,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,841,931.59 : 119,841,866.15 = 47,683,708.56 : x
  2. Step 2: Convert to fraction form
    86,841,931.59/119,841,866.15 = 47,683,708.56/x
  3. Step 3: Cross multiply
    86,841,931.59x = 119,841,866.15 × 47,683,708.56
  4. Step 4: Simplify right side
    86,841,931.59x = 5,714,504,618,544,711
  5. Step 5: Solve for x
    x = 5,714,504,618,544,711/86,841,931.59
  6. Step 6: Final answer
    x = 65,803,518.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.