Home / 74,759,932.80-112,019,176.80-42,315,350.40

Finding the Fourth Proportional to 74,759,932.80, 112,019,176.80 and 42,315,350.40

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Solution

The fourth proportional to 74,759,932.80, 112,019,176.80 and 42,315,350.40 is: 63,404,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759,932.80 : 112,019,176.80 = 42,315,350.40 : x
  2. Step 2: Convert to fraction form
    74,759,932.80/112,019,176.80 = 42,315,350.40/x
  3. Step 3: Cross multiply
    74,759,932.80x = 112,019,176.80 × 42,315,350.40
  4. Step 4: Simplify right side
    74,759,932.80x = 4,740,130,717,811,550
  5. Step 5: Solve for x
    x = 4,740,130,717,811,550/74,759,932.80
  6. Step 6: Final answer
    x = 63,404,694.74

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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.