Home / 130,507,480.99-180,105,058.85-74,763,674.92

Finding the Fourth Proportional to 130,507,480.99, 180,105,058.85 and 74,763,674.92

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Solution

The fourth proportional to 130,507,480.99, 180,105,058.85 and 74,763,674.92 is: 103,176,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,480.99 : 180,105,058.85 = 74,763,674.92 : x
  2. Step 2: Convert to fraction form
    130,507,480.99/180,105,058.85 = 74,763,674.92/x
  3. Step 3: Cross multiply
    130,507,480.99x = 180,105,058.85 × 74,763,674.92
  4. Step 4: Simplify right side
    130,507,480.99x = 13,465,316,070,034,526
  5. Step 5: Solve for x
    x = 13,465,316,070,034,526/130,507,480.99
  6. Step 6: Final answer
    x = 103,176,583.97

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1.5x scale

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.