Home / 90,943,779.02-125,502,222.03-49,690,967.18

Finding the Fourth Proportional to 90,943,779.02, 125,502,222.03 and 49,690,967.18

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Solution

The fourth proportional to 90,943,779.02, 125,502,222.03 and 49,690,967.18 is: 68,573,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,943,779.02 : 125,502,222.03 = 49,690,967.18 : x
  2. Step 2: Convert to fraction form
    90,943,779.02/125,502,222.03 = 49,690,967.18/x
  3. Step 3: Cross multiply
    90,943,779.02x = 125,502,222.03 × 49,690,967.18
  4. Step 4: Simplify right side
    90,943,779.02x = 6,236,326,795,909,803
  5. Step 5: Solve for x
    x = 6,236,326,795,909,803/90,943,779.02
  6. Step 6: Final answer
    x = 68,573,429.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.