Home / 145,219,307.60-217,828,961.40-53,102,867.60

Finding the Fourth Proportional to 145,219,307.60, 217,828,961.40 and 53,102,867.60

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Solution

The fourth proportional to 145,219,307.60, 217,828,961.40 and 53,102,867.60 is: 79,654,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,307.60 : 217,828,961.40 = 53,102,867.60 : x
  2. Step 2: Convert to fraction form
    145,219,307.60/217,828,961.40 = 53,102,867.60/x
  3. Step 3: Cross multiply
    145,219,307.60x = 217,828,961.40 × 53,102,867.60
  4. Step 4: Simplify right side
    145,219,307.60x = 11,567,342,496,669,712
  5. Step 5: Solve for x
    x = 11,567,342,496,669,712/145,219,307.60
  6. Step 6: Final answer
    x = 79,654,301.40

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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.