Home / 142,884,009.40-214,326,014.10-141,876,239.80

Finding the Fourth Proportional to 142,884,009.40, 214,326,014.10 and 141,876,239.80

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Solution

The fourth proportional to 142,884,009.40, 214,326,014.10 and 141,876,239.80 is: 212,814,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,884,009.40 : 214,326,014.10 = 141,876,239.80 : x
  2. Step 2: Convert to fraction form
    142,884,009.40/214,326,014.10 = 141,876,239.80/x
  3. Step 3: Cross multiply
    142,884,009.40x = 214,326,014.10 × 141,876,239.80
  4. Step 4: Simplify right side
    142,884,009.40x = 30,407,768,971,829,784
  5. Step 5: Solve for x
    x = 30,407,768,971,829,784/142,884,009.40
  6. Step 6: Final answer
    x = 212,814,359.70

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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.