Home / 343,527,458.40-515,114,672.40-101,158,869.60

Finding the Fourth Proportional to 343,527,458.40, 515,114,672.40 and 101,158,869.60

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Solution

The fourth proportional to 343,527,458.40, 515,114,672.40 and 101,158,869.60 is: 151,686,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,527,458.40 : 515,114,672.40 = 101,158,869.60 : x
  2. Step 2: Convert to fraction form
    343,527,458.40/515,114,672.40 = 101,158,869.60/x
  3. Step 3: Cross multiply
    343,527,458.40x = 515,114,672.40 × 101,158,869.60
  4. Step 4: Simplify right side
    343,527,458.40x = 52,108,417,974,358,312
  5. Step 5: Solve for x
    x = 52,108,417,974,358,312/343,527,458.40
  6. Step 6: Final answer
    x = 151,686,325.79

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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.