Home / 96,985,236.90-145,477,855.35-86,462,705.10

Finding the Fourth Proportional to 96,985,236.90, 145,477,855.35 and 86,462,705.10

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Solution

The fourth proportional to 96,985,236.90, 145,477,855.35 and 86,462,705.10 is: 129,694,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,985,236.90 : 145,477,855.35 = 86,462,705.10 : x
  2. Step 2: Convert to fraction form
    96,985,236.90/145,477,855.35 = 86,462,705.10/x
  3. Step 3: Cross multiply
    96,985,236.90x = 145,477,855.35 × 86,462,705.10
  4. Step 4: Simplify right side
    96,985,236.90x = 12,578,408,905,707,506
  5. Step 5: Solve for x
    x = 12,578,408,905,707,506/96,985,236.90
  6. Step 6: Final answer
    x = 129,694,057.65

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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.