Home / 147,326,953.20-220,990,429.80-89,931,325.20

Finding the Fourth Proportional to 147,326,953.20, 220,990,429.80 and 89,931,325.20

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Solution

The fourth proportional to 147,326,953.20, 220,990,429.80 and 89,931,325.20 is: 134,896,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,326,953.20 : 220,990,429.80 = 89,931,325.20 : x
  2. Step 2: Convert to fraction form
    147,326,953.20/220,990,429.80 = 89,931,325.20/x
  3. Step 3: Cross multiply
    147,326,953.20x = 220,990,429.80 × 89,931,325.20
  4. Step 4: Simplify right side
    147,326,953.20x = 19,873,962,208,431,572
  5. Step 5: Solve for x
    x = 19,873,962,208,431,572/147,326,953.20
  6. Step 6: Final answer
    x = 134,896,987.80

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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.