Home / 72,130,399.36-99,485,488.00-45,315,526.75

Finding the Fourth Proportional to 72,130,399.36, 99,485,488.00 and 45,315,526.75

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Solution

The fourth proportional to 72,130,399.36, 99,485,488.00 and 45,315,526.75 is: 62,501,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,130,399.36 : 99,485,488.00 = 45,315,526.75 : x
  2. Step 2: Convert to fraction form
    72,130,399.36/99,485,488.00 = 45,315,526.75/x
  3. Step 3: Cross multiply
    72,130,399.36x = 99,485,488.00 × 45,315,526.75
  4. Step 4: Simplify right side
    72,130,399.36x = 4,508,237,292,508,735
  5. Step 5: Solve for x
    x = 4,508,237,292,508,735/72,130,399.36
  6. Step 6: Final answer
    x = 62,501,210.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.