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Finding the Fourth Proportional to 163,371,957.48, 225,458,026.02 and 90,037,823.40

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Solution

The fourth proportional to 163,371,957.48, 225,458,026.02 and 90,037,823.40 is: 124,254,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,371,957.48 : 225,458,026.02 = 90,037,823.40 : x
  2. Step 2: Convert to fraction form
    163,371,957.48/225,458,026.02 = 90,037,823.40/x
  3. Step 3: Cross multiply
    163,371,957.48x = 225,458,026.02 × 90,037,823.40
  4. Step 4: Simplify right side
    163,371,957.48x = 20,299,749,930,901,368
  5. Step 5: Solve for x
    x = 20,299,749,930,901,368/163,371,957.48
  6. Step 6: Final answer
    x = 124,254,800.18

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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.