Home / 210,503,437.60-315,556,090.80-124,308,032.80

Finding the Fourth Proportional to 210,503,437.60, 315,556,090.80 and 124,308,032.80

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Solution

The fourth proportional to 210,503,437.60, 315,556,090.80 and 124,308,032.80 is: 186,344,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,503,437.60 : 315,556,090.80 = 124,308,032.80 : x
  2. Step 2: Convert to fraction form
    210,503,437.60/315,556,090.80 = 124,308,032.80/x
  3. Step 3: Cross multiply
    210,503,437.60x = 315,556,090.80 × 124,308,032.80
  4. Step 4: Simplify right side
    210,503,437.60x = 39,226,156,885,406,176
  5. Step 5: Solve for x
    x = 39,226,156,885,406,176/210,503,437.60
  6. Step 6: Final answer
    x = 186,344,495.52

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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.