Home / 112,537,313.79-168,782,350.78-31,739,386.11

Finding the Fourth Proportional to 112,537,313.79, 168,782,350.78 and 31,739,386.11

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Solution

The fourth proportional to 112,537,313.79, 168,782,350.78 and 31,739,386.11 is: 47,602,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537,313.79 : 168,782,350.78 = 31,739,386.11 : x
  2. Step 2: Convert to fraction form
    112,537,313.79/168,782,350.78 = 31,739,386.11/x
  3. Step 3: Cross multiply
    112,537,313.79x = 168,782,350.78 × 31,739,386.11
  4. Step 4: Simplify right side
    112,537,313.79x = 5,357,048,199,959,880
  5. Step 5: Solve for x
    x = 5,357,048,199,959,880/112,537,313.79
  6. Step 6: Final answer
    x = 47,602,417.54

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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.