Home / 31,103,985.60-46,655,978.40-28,118,001.60

Finding the Fourth Proportional to 31,103,985.60, 46,655,978.40 and 28,118,001.60

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Solution

The fourth proportional to 31,103,985.60, 46,655,978.40 and 28,118,001.60 is: 42,177,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103,985.60 : 46,655,978.40 = 28,118,001.60 : x
  2. Step 2: Convert to fraction form
    31,103,985.60/46,655,978.40 = 28,118,001.60/x
  3. Step 3: Cross multiply
    31,103,985.60x = 46,655,978.40 × 28,118,001.60
  4. Step 4: Simplify right side
    31,103,985.60x = 1,311,872,875,300,765.50
  5. Step 5: Solve for x
    x = 1,311,872,875,300,765.50/31,103,985.60
  6. Step 6: Final answer
    x = 42,177,002.40

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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.