Home / 86,909,970.30-130,175,998.65-52,771,775.10

Finding the Fourth Proportional to 86,909,970.30, 130,175,998.65 and 52,771,775.10

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Solution

The fourth proportional to 86,909,970.30, 130,175,998.65 and 52,771,775.10 is: 79,042,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,970.30 : 130,175,998.65 = 52,771,775.10 : x
  2. Step 2: Convert to fraction form
    86,909,970.30/130,175,998.65 = 52,771,775.10/x
  3. Step 3: Cross multiply
    86,909,970.30x = 130,175,998.65 × 52,771,775.10
  4. Step 4: Simplify right side
    86,909,970.30x = 6,869,618,524,175,704
  5. Step 5: Solve for x
    x = 6,869,618,524,175,704/86,909,970.30
  6. Step 6: Final answer
    x = 79,042,927.99

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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.