Home / 210,998,253.18-316,468,647.97-55,539,043.23

Finding the Fourth Proportional to 210,998,253.18, 316,468,647.97 and 55,539,043.23

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Solution

The fourth proportional to 210,998,253.18, 316,468,647.97 and 55,539,043.23 is: 83,301,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,998,253.18 : 316,468,647.97 = 55,539,043.23 : x
  2. Step 2: Convert to fraction form
    210,998,253.18/316,468,647.97 = 55,539,043.23/x
  3. Step 3: Cross multiply
    210,998,253.18x = 316,468,647.97 × 55,539,043.23
  4. Step 4: Simplify right side
    210,998,253.18x = 17,576,365,920,406,632
  5. Step 5: Solve for x
    x = 17,576,365,920,406,632/210,998,253.18
  6. Step 6: Final answer
    x = 83,301,002.05

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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.