Home / 70,871,747.60-106,307,621.40-69,528,054.80

Finding the Fourth Proportional to 70,871,747.60, 106,307,621.40 and 69,528,054.80

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Solution

The fourth proportional to 70,871,747.60, 106,307,621.40 and 69,528,054.80 is: 104,292,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,871,747.60 : 106,307,621.40 = 69,528,054.80 : x
  2. Step 2: Convert to fraction form
    70,871,747.60/106,307,621.40 = 69,528,054.80/x
  3. Step 3: Cross multiply
    70,871,747.60x = 106,307,621.40 × 69,528,054.80
  4. Step 4: Simplify right side
    70,871,747.60x = 7,391,362,126,356,853
  5. Step 5: Solve for x
    x = 7,391,362,126,356,853/70,871,747.60
  6. Step 6: Final answer
    x = 104,292,082.20

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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.