Home / 83,345,931.60-125,018,897.40-81,751,608.60

Finding the Fourth Proportional to 83,345,931.60, 125,018,897.40 and 81,751,608.60

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Solution

The fourth proportional to 83,345,931.60, 125,018,897.40 and 81,751,608.60 is: 122,627,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345,931.60 : 125,018,897.40 = 81,751,608.60 : x
  2. Step 2: Convert to fraction form
    83,345,931.60/125,018,897.40 = 81,751,608.60/x
  3. Step 3: Cross multiply
    83,345,931.60x = 125,018,897.40 × 81,751,608.60
  4. Step 4: Simplify right side
    83,345,931.60x = 10,220,495,967,848,358
  5. Step 5: Solve for x
    x = 10,220,495,967,848,358/83,345,931.60
  6. Step 6: Final answer
    x = 122,627,412.90

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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.