Home / 124,656,054.80-186,984,082.20-70,908,342.80

Finding the Fourth Proportional to 124,656,054.80, 186,984,082.20 and 70,908,342.80

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Solution

The fourth proportional to 124,656,054.80, 186,984,082.20 and 70,908,342.80 is: 106,362,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,656,054.80 : 186,984,082.20 = 70,908,342.80 : x
  2. Step 2: Convert to fraction form
    124,656,054.80/186,984,082.20 = 70,908,342.80/x
  3. Step 3: Cross multiply
    124,656,054.80x = 186,984,082.20 × 70,908,342.80
  4. Step 4: Simplify right side
    124,656,054.80x = 13,258,731,398,780,976
  5. Step 5: Solve for x
    x = 13,258,731,398,780,976/124,656,054.80
  6. Step 6: Final answer
    x = 106,362,514.20

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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.