Home / 152,986,955.92-211,116,636.80-83,370,916.24

Finding the Fourth Proportional to 152,986,955.92, 211,116,636.80 and 83,370,916.24

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Solution

The fourth proportional to 152,986,955.92, 211,116,636.80 and 83,370,916.24 is: 115,048,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,986,955.92 : 211,116,636.80 = 83,370,916.24 : x
  2. Step 2: Convert to fraction form
    152,986,955.92/211,116,636.80 = 83,370,916.24/x
  3. Step 3: Cross multiply
    152,986,955.92x = 211,116,636.80 × 83,370,916.24
  4. Step 4: Simplify right side
    152,986,955.92x = 17,600,987,443,523,302
  5. Step 5: Solve for x
    x = 17,600,987,443,523,302/152,986,955.92
  6. Step 6: Final answer
    x = 115,048,942.16

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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.