Home / 70,085,547.76-96,717,037.08-39,146,157.04

Finding the Fourth Proportional to 70,085,547.76, 96,717,037.08 and 39,146,157.04

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Solution

The fourth proportional to 70,085,547.76, 96,717,037.08 and 39,146,157.04 is: 54,021,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,085,547.76 : 96,717,037.08 = 39,146,157.04 : x
  2. Step 2: Convert to fraction form
    70,085,547.76/96,717,037.08 = 39,146,157.04/x
  3. Step 3: Cross multiply
    70,085,547.76x = 96,717,037.08 × 39,146,157.04
  4. Step 4: Simplify right side
    70,085,547.76x = 3,786,100,321,977,183
  5. Step 5: Solve for x
    x = 3,786,100,321,977,183/70,085,547.76
  6. Step 6: Final answer
    x = 54,021,127.65

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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.