Home / 149,781,799.80-224,672,699.70-73,153,985.40

Finding the Fourth Proportional to 149,781,799.80, 224,672,699.70 and 73,153,985.40

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Solution

The fourth proportional to 149,781,799.80, 224,672,699.70 and 73,153,985.40 is: 109,730,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,781,799.80 : 224,672,699.70 = 73,153,985.40 : x
  2. Step 2: Convert to fraction form
    149,781,799.80/224,672,699.70 = 73,153,985.40/x
  3. Step 3: Cross multiply
    149,781,799.80x = 224,672,699.70 × 73,153,985.40
  4. Step 4: Simplify right side
    149,781,799.80x = 16,435,703,393,632,384
  5. Step 5: Solve for x
    x = 16,435,703,393,632,384/149,781,799.80
  6. Step 6: Final answer
    x = 109,730,978.10

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1.5x scale

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.