Home / 88,210,802.25-121,711,885.20-53,404,959.69

Finding the Fourth Proportional to 88,210,802.25, 121,711,885.20 and 53,404,959.69

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Solution

The fourth proportional to 88,210,802.25, 121,711,885.20 and 53,404,959.69 is: 73,687,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,210,802.25 : 121,711,885.20 = 53,404,959.69 : x
  2. Step 2: Convert to fraction form
    88,210,802.25/121,711,885.20 = 53,404,959.69/x
  3. Step 3: Cross multiply
    88,210,802.25x = 121,711,885.20 × 53,404,959.69
  4. Step 4: Simplify right side
    88,210,802.25x = 6,500,018,322,899,907
  5. Step 5: Solve for x
    x = 6,500,018,322,899,907/88,210,802.25
  6. Step 6: Final answer
    x = 73,687,328.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.