Home / 288,652,116.39-433,018,420.88-89,247,681.18

Finding the Fourth Proportional to 288,652,116.39, 433,018,420.88 and 89,247,681.18

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Solution

The fourth proportional to 288,652,116.39, 433,018,420.88 and 89,247,681.18 is: 133,883,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,652,116.39 : 433,018,420.88 = 89,247,681.18 : x
  2. Step 2: Convert to fraction form
    288,652,116.39/433,018,420.88 = 89,247,681.18/x
  3. Step 3: Cross multiply
    288,652,116.39x = 433,018,420.88 × 89,247,681.18
  4. Step 4: Simplify right side
    288,652,116.39x = 38,645,889,971,765,296
  5. Step 5: Solve for x
    x = 38,645,889,971,765,296/288,652,116.39
  6. Step 6: Final answer
    x = 133,883,965.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.