Home / 149,291,287.20-223,921,011.60-52,248,848.40

Finding the Fourth Proportional to 149,291,287.20, 223,921,011.60 and 52,248,848.40

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Solution

The fourth proportional to 149,291,287.20, 223,921,011.60 and 52,248,848.40 is: 78,367,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,291,287.20 : 223,921,011.60 = 52,248,848.40 : x
  2. Step 2: Convert to fraction form
    149,291,287.20/223,921,011.60 = 52,248,848.40/x
  3. Step 3: Cross multiply
    149,291,287.20x = 223,921,011.60 × 52,248,848.40
  4. Step 4: Simplify right side
    149,291,287.20x = 11,699,614,988,663,040
  5. Step 5: Solve for x
    x = 11,699,614,988,663,040/149,291,287.20
  6. Step 6: Final answer
    x = 78,367,701.21

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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.