Home / 76,021,348.32-104,996,065.69-51,532,547.04

Finding the Fourth Proportional to 76,021,348.32, 104,996,065.69 and 51,532,547.04

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Solution

The fourth proportional to 76,021,348.32, 104,996,065.69 and 51,532,547.04 is: 71,173,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,348.32 : 104,996,065.69 = 51,532,547.04 : x
  2. Step 2: Convert to fraction form
    76,021,348.32/104,996,065.69 = 51,532,547.04/x
  3. Step 3: Cross multiply
    76,021,348.32x = 104,996,065.69 × 51,532,547.04
  4. Step 4: Simplify right side
    76,021,348.32x = 5,410,714,694,249,270
  5. Step 5: Solve for x
    x = 5,410,714,694,249,270/76,021,348.32
  6. Step 6: Final answer
    x = 71,173,621.80

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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.