Home / 140,549,052.40-210,543,642.60-123,715,567.60

Finding the Fourth Proportional to 140,549,052.40, 210,543,642.60 and 123,715,567.60

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Solution

The fourth proportional to 140,549,052.40, 210,543,642.60 and 123,715,567.60 is: 185,326,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,549,052.40 : 210,543,642.60 = 123,715,567.60 : x
  2. Step 2: Convert to fraction form
    140,549,052.40/210,543,642.60 = 123,715,567.60/x
  3. Step 3: Cross multiply
    140,549,052.40x = 210,543,642.60 × 123,715,567.60
  4. Step 4: Simplify right side
    140,549,052.40x = 26,047,526,248,830,536
  5. Step 5: Solve for x
    x = 26,047,526,248,830,536/140,549,052.40
  6. Step 6: Final answer
    x = 185,326,943.18

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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.