Home / 132,102,802.40-198,154,203.60-45,812,530.40

Finding the Fourth Proportional to 132,102,802.40, 198,154,203.60 and 45,812,530.40

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Solution

The fourth proportional to 132,102,802.40, 198,154,203.60 and 45,812,530.40 is: 68,718,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,802.40 : 198,154,203.60 = 45,812,530.40 : x
  2. Step 2: Convert to fraction form
    132,102,802.40/198,154,203.60 = 45,812,530.40/x
  3. Step 3: Cross multiply
    132,102,802.40x = 198,154,203.60 × 45,812,530.40
  4. Step 4: Simplify right side
    132,102,802.40x = 9,077,945,476,312,788
  5. Step 5: Solve for x
    x = 9,077,945,476,312,788/132,102,802.40
  6. Step 6: Final answer
    x = 68,718,795.60

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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.