Home / 90,276,800.09-124,579,875.80-53,109,473.49

Finding the Fourth Proportional to 90,276,800.09, 124,579,875.80 and 53,109,473.49

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Solution

The fourth proportional to 90,276,800.09, 124,579,875.80 and 53,109,473.49 is: 73,289,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,276,800.09 : 124,579,875.80 = 53,109,473.49 : x
  2. Step 2: Convert to fraction form
    90,276,800.09/124,579,875.80 = 53,109,473.49/x
  3. Step 3: Cross multiply
    90,276,800.09x = 124,579,875.80 × 53,109,473.49
  4. Step 4: Simplify right side
    90,276,800.09x = 6,616,371,610,922,046
  5. Step 5: Solve for x
    x = 6,616,371,610,922,046/90,276,800.09
  6. Step 6: Final answer
    x = 73,289,833.10

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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.