Home / 163,341,858.60-225,421,805.70-90,002,981.16

Finding the Fourth Proportional to 163,341,858.60, 225,421,805.70 and 90,002,981.16

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Solution

The fourth proportional to 163,341,858.60, 225,421,805.70 and 90,002,981.16 is: 124,209,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,341,858.60 : 225,421,805.70 = 90,002,981.16 : x
  2. Step 2: Convert to fraction form
    163,341,858.60/225,421,805.70 = 90,002,981.16/x
  3. Step 3: Cross multiply
    163,341,858.60x = 225,421,805.70 × 90,002,981.16
  4. Step 4: Simplify right side
    163,341,858.60x = 20,288,634,531,470,280
  5. Step 5: Solve for x
    x = 20,288,634,531,470,280/163,341,858.60
  6. Step 6: Final answer
    x = 124,209,646.60

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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.