Home / 86,909,538.80-130,175,351.40-52,771,343.60

Finding the Fourth Proportional to 86,909,538.80, 130,175,351.40 and 52,771,343.60

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Solution

The fourth proportional to 86,909,538.80, 130,175,351.40 and 52,771,343.60 is: 79,042,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,538.80 : 130,175,351.40 = 52,771,343.60 : x
  2. Step 2: Convert to fraction form
    86,909,538.80/130,175,351.40 = 52,771,343.60/x
  3. Step 3: Cross multiply
    86,909,538.80x = 130,175,351.40 × 52,771,343.60
  4. Step 4: Simplify right side
    86,909,538.80x = 6,869,528,196,980,142
  5. Step 5: Solve for x
    x = 6,869,528,196,980,142/86,909,538.80
  6. Step 6: Final answer
    x = 79,042,281.11

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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.