Home / 145,390,205.60-218,085,308.40-53,273,765.60

Finding the Fourth Proportional to 145,390,205.60, 218,085,308.40 and 53,273,765.60

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Solution

The fourth proportional to 145,390,205.60, 218,085,308.40 and 53,273,765.60 is: 79,910,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,390,205.60 : 218,085,308.40 = 53,273,765.60 : x
  2. Step 2: Convert to fraction form
    145,390,205.60/218,085,308.40 = 53,273,765.60/x
  3. Step 3: Cross multiply
    145,390,205.60x = 218,085,308.40 × 53,273,765.60
  4. Step 4: Simplify right side
    145,390,205.60x = 11,618,225,600,505,312
  5. Step 5: Solve for x
    x = 11,618,225,600,505,312/145,390,205.60
  6. Step 6: Final answer
    x = 79,910,648.40

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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.