Home / 196,103,638.70-293,624,616.45-153,636,310.70

Finding the Fourth Proportional to 196,103,638.70, 293,624,616.45 and 153,636,310.70

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Solution

The fourth proportional to 196,103,638.70, 293,624,616.45 and 153,636,310.70 is: 230,038,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,103,638.70 : 293,624,616.45 = 153,636,310.70 : x
  2. Step 2: Convert to fraction form
    196,103,638.70/293,624,616.45 = 153,636,310.70/x
  3. Step 3: Cross multiply
    196,103,638.70x = 293,624,616.45 × 153,636,310.70
  4. Step 4: Simplify right side
    196,103,638.70x = 45,111,402,802,080,528
  5. Step 5: Solve for x
    x = 45,111,402,802,080,528/196,103,638.70
  6. Step 6: Final answer
    x = 230,038,581.14

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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.