Home / 76,266,363.20-105,249,759.52-46,498,729.28

Finding the Fourth Proportional to 76,266,363.20, 105,249,759.52 and 46,498,729.28

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Solution

The fourth proportional to 76,266,363.20, 105,249,759.52 and 46,498,729.28 is: 64,169,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266,363.20 : 105,249,759.52 = 46,498,729.28 : x
  2. Step 2: Convert to fraction form
    76,266,363.20/105,249,759.52 = 46,498,729.28/x
  3. Step 3: Cross multiply
    76,266,363.20x = 105,249,759.52 × 46,498,729.28
  4. Step 4: Simplify right side
    76,266,363.20x = 4,893,980,074,705,583
  5. Step 5: Solve for x
    x = 4,893,980,074,705,583/76,266,363.20
  6. Step 6: Final answer
    x = 64,169,574.49

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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.