Home / 199,771,842.74-299,681,753.07-70,352,686.58

Finding the Fourth Proportional to 199,771,842.74, 299,681,753.07 and 70,352,686.58

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Solution

The fourth proportional to 199,771,842.74, 299,681,753.07 and 70,352,686.58 is: 105,537,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,771,842.74 : 299,681,753.07 = 70,352,686.58 : x
  2. Step 2: Convert to fraction form
    199,771,842.74/299,681,753.07 = 70,352,686.58/x
  3. Step 3: Cross multiply
    199,771,842.74x = 299,681,753.07 × 70,352,686.58
  4. Step 4: Simplify right side
    199,771,842.74x = 21,083,416,447,478,660
  5. Step 5: Solve for x
    x = 21,083,416,447,478,660/199,771,842.74
  6. Step 6: Final answer
    x = 105,537,477.95

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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.