Home / 100,602,208.20-150,903,312.30-99,645,614.40

Finding the Fourth Proportional to 100,602,208.20, 150,903,312.30 and 99,645,614.40

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Solution

The fourth proportional to 100,602,208.20, 150,903,312.30 and 99,645,614.40 is: 149,468,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,208.20 : 150,903,312.30 = 99,645,614.40 : x
  2. Step 2: Convert to fraction form
    100,602,208.20/150,903,312.30 = 99,645,614.40/x
  3. Step 3: Cross multiply
    100,602,208.20x = 150,903,312.30 × 99,645,614.40
  4. Step 4: Simplify right side
    100,602,208.20x = 15,036,853,269,128,580
  5. Step 5: Solve for x
    x = 15,036,853,269,128,580/100,602,208.20
  6. Step 6: Final answer
    x = 149,468,421.60

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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.