Home / 100,829,897.20-151,118,874.60-73,872,060.40

Finding the Fourth Proportional to 100,829,897.20, 151,118,874.60 and 73,872,060.40

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Solution

The fourth proportional to 100,829,897.20, 151,118,874.60 and 73,872,060.40 is: 110,715,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,829,897.20 : 151,118,874.60 = 73,872,060.40 : x
  2. Step 2: Convert to fraction form
    100,829,897.20/151,118,874.60 = 73,872,060.40/x
  3. Step 3: Cross multiply
    100,829,897.20x = 151,118,874.60 × 73,872,060.40
  4. Step 4: Simplify right side
    100,829,897.20x = 11,163,462,632,031,226
  5. Step 5: Solve for x
    x = 11,163,462,632,031,226/100,829,897.20
  6. Step 6: Final answer
    x = 110,715,799.00

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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.