Home / 74,746,355.40-112,039,816.95-28,670,420.70

Finding the Fourth Proportional to 74,746,355.40, 112,039,816.95 and 28,670,420.70

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Solution

The fourth proportional to 74,746,355.40, 112,039,816.95 and 28,670,420.70 is: 42,975,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746,355.40 : 112,039,816.95 = 28,670,420.70 : x
  2. Step 2: Convert to fraction form
    74,746,355.40/112,039,816.95 = 28,670,420.70/x
  3. Step 3: Cross multiply
    74,746,355.40x = 112,039,816.95 × 28,670,420.70
  4. Step 4: Simplify right side
    74,746,355.40x = 3,212,228,687,107,491
  5. Step 5: Solve for x
    x = 3,212,228,687,107,491/74,746,355.40
  6. Step 6: Final answer
    x = 42,975,054.37

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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.