Home / 97,026,486.40-145,539,729.60-89,090,300.80

Finding the Fourth Proportional to 97,026,486.40, 145,539,729.60 and 89,090,300.80

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Solution

The fourth proportional to 97,026,486.40, 145,539,729.60 and 89,090,300.80 is: 133,635,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,026,486.40 : 145,539,729.60 = 89,090,300.80 : x
  2. Step 2: Convert to fraction form
    97,026,486.40/145,539,729.60 = 89,090,300.80/x
  3. Step 3: Cross multiply
    97,026,486.40x = 145,539,729.60 × 89,090,300.80
  4. Step 4: Simplify right side
    97,026,486.40x = 12,966,178,288,414,662
  5. Step 5: Solve for x
    x = 12,966,178,288,414,662/97,026,486.40
  6. Step 6: Final answer
    x = 133,635,451.20

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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.