Home / 98,636,609.12-148,013,364-54,953,930.40

Finding the Fourth Proportional to 98,636,609.12, 148,013,364 and 54,953,930.40

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Solution

The fourth proportional to 98,636,609.12, 148,013,364 and 54,953,930.40 is: 82,463,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,636,609.12 : 148,013,364 = 54,953,930.40 : x
  2. Step 2: Convert to fraction form
    98,636,609.12/148,013,364 = 54,953,930.40/x
  3. Step 3: Cross multiply
    98,636,609.12x = 148,013,364 × 54,953,930.40
  4. Step 4: Simplify right side
    98,636,609.12x = 8,133,916,103,525,865
  5. Step 5: Solve for x
    x = 8,133,916,103,525,865/98,636,609.12
  6. Step 6: Final answer
    x = 82,463,460.33

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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.