Home / 144,706,910.40-217,060,365.60-83,484,907.20

Finding the Fourth Proportional to 144,706,910.40, 217,060,365.60 and 83,484,907.20

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Solution

The fourth proportional to 144,706,910.40, 217,060,365.60 and 83,484,907.20 is: 125,227,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,706,910.40 : 217,060,365.60 = 83,484,907.20 : x
  2. Step 2: Convert to fraction form
    144,706,910.40/217,060,365.60 = 83,484,907.20/x
  3. Step 3: Cross multiply
    144,706,910.40x = 217,060,365.60 × 83,484,907.20
  4. Step 4: Simplify right side
    144,706,910.40x = 18,121,264,478,914,072
  5. Step 5: Solve for x
    x = 18,121,264,478,914,072/144,706,910.40
  6. Step 6: Final answer
    x = 125,227,360.80

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1.5x scale

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.