Home / 133,730,998.90-200,596,498.35-112,207,638.40

Finding the Fourth Proportional to 133,730,998.90, 200,596,498.35 and 112,207,638.40

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Solution

The fourth proportional to 133,730,998.90, 200,596,498.35 and 112,207,638.40 is: 168,311,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,730,998.90 : 200,596,498.35 = 112,207,638.40 : x
  2. Step 2: Convert to fraction form
    133,730,998.90/200,596,498.35 = 112,207,638.40/x
  3. Step 3: Cross multiply
    133,730,998.90x = 200,596,498.35 × 112,207,638.40
  4. Step 4: Simplify right side
    133,730,998.90x = 22,508,459,351,162,996
  5. Step 5: Solve for x
    x = 22,508,459,351,162,996/133,730,998.90
  6. Step 6: Final answer
    x = 168,311,457.60

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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.