Home / 97,021,374,004.80-145,532,061,007.20-47,309,107,406.40

Finding the Fourth Proportional to 97,021,374,004.80, 145,532,061,007.20 and 47,309,107,406.40

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Solution

The fourth proportional to 97,021,374,004.80, 145,532,061,007.20 and 47,309,107,406.40 is: 70,963,661,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,021,374,004.80 : 145,532,061,007.20 = 47,309,107,406.40 : x
  2. Step 2: Convert to fraction form
    97,021,374,004.80/145,532,061,007.20 = 47,309,107,406.40/x
  3. Step 3: Cross multiply
    97,021,374,004.80x = 145,532,061,007.20 × 47,309,107,406.40
  4. Step 4: Simplify right side
    97,021,374,004.80x = 6,884,991,905,264,382,771,200
  5. Step 5: Solve for x
    x = 6,884,991,905,264,382,771,200/97,021,374,004.80
  6. Step 6: Final answer
    x = 70,963,661,109.60

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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.