Home / 163,341,859.60-225,421,807.08-90,002,982.16

Finding the Fourth Proportional to 163,341,859.60, 225,421,807.08 and 90,002,982.16

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Solution

The fourth proportional to 163,341,859.60, 225,421,807.08 and 90,002,982.16 is: 124,209,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,341,859.60 : 225,421,807.08 = 90,002,982.16 : x
  2. Step 2: Convert to fraction form
    163,341,859.60/225,421,807.08 = 90,002,982.16/x
  3. Step 3: Cross multiply
    163,341,859.60x = 225,421,807.08 × 90,002,982.16
  4. Step 4: Simplify right side
    163,341,859.60x = 20,288,634,881,096,204
  5. Step 5: Solve for x
    x = 20,288,634,881,096,204/163,341,859.60
  6. Step 6: Final answer
    x = 124,209,647.98

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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.