Home / 97,115,323.65-145,672,985.48-66,504,322.05

Finding the Fourth Proportional to 97,115,323.65, 145,672,985.48 and 66,504,322.05

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Solution

The fourth proportional to 97,115,323.65, 145,672,985.48 and 66,504,322.05 is: 99,756,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,323.65 : 145,672,985.48 = 66,504,322.05 : x
  2. Step 2: Convert to fraction form
    97,115,323.65/145,672,985.48 = 66,504,322.05/x
  3. Step 3: Cross multiply
    97,115,323.65x = 145,672,985.48 × 66,504,322.05
  4. Step 4: Simplify right side
    97,115,323.65x = 9,687,883,140,014,372
  5. Step 5: Solve for x
    x = 9,687,883,140,014,372/97,115,323.65
  6. Step 6: Final answer
    x = 99,756,483.08

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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.