Home / 201,611,030.06-302,448,431.52-72,215,775.38

Finding the Fourth Proportional to 201,611,030.06, 302,448,431.52 and 72,215,775.38

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Solution

The fourth proportional to 201,611,030.06, 302,448,431.52 and 72,215,775.38 is: 108,335,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,611,030.06 : 302,448,431.52 = 72,215,775.38 : x
  2. Step 2: Convert to fraction form
    201,611,030.06/302,448,431.52 = 72,215,775.38/x
  3. Step 3: Cross multiply
    201,611,030.06x = 302,448,431.52 × 72,215,775.38
  4. Step 4: Simplify right side
    201,611,030.06x = 21,841,547,995,437,748
  5. Step 5: Solve for x
    x = 21,841,547,995,437,748/201,611,030.06
  6. Step 6: Final answer
    x = 108,335,084.59

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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.