Home / 158,357,819.34-218,456,133.48-137,420,465.40

Finding the Fourth Proportional to 158,357,819.34, 218,456,133.48 and 137,420,465.40

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Solution

The fourth proportional to 158,357,819.34, 218,456,133.48 and 137,420,465.40 is: 189,572,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,357,819.34 : 218,456,133.48 = 137,420,465.40 : x
  2. Step 2: Convert to fraction form
    158,357,819.34/218,456,133.48 = 137,420,465.40/x
  3. Step 3: Cross multiply
    158,357,819.34x = 218,456,133.48 × 137,420,465.40
  4. Step 4: Simplify right side
    158,357,819.34x = 30,020,343,532,306,120
  5. Step 5: Solve for x
    x = 30,020,343,532,306,120/158,357,819.34
  6. Step 6: Final answer
    x = 189,572,852.53

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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.