Home / 86,909,969.30-130,175,997.15-52,771,774.10

Finding the Fourth Proportional to 86,909,969.30, 130,175,997.15 and 52,771,774.10

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Solution

The fourth proportional to 86,909,969.30, 130,175,997.15 and 52,771,774.10 is: 79,042,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,969.30 : 130,175,997.15 = 52,771,774.10 : x
  2. Step 2: Convert to fraction form
    86,909,969.30/130,175,997.15 = 52,771,774.10/x
  3. Step 3: Cross multiply
    86,909,969.30x = 130,175,997.15 × 52,771,774.10
  4. Step 4: Simplify right side
    86,909,969.30x = 6,869,618,314,842,044
  5. Step 5: Solve for x
    x = 6,869,618,314,842,044/86,909,969.30
  6. Step 6: Final answer
    x = 79,042,926.49

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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.