Home / 51,009,619.09-76,402,274.12-42,155,550.80

Finding the Fourth Proportional to 51,009,619.09, 76,402,274.12 and 42,155,550.80

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Solution

The fourth proportional to 51,009,619.09, 76,402,274.12 and 42,155,550.80 is: 63,140,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009,619.09 : 76,402,274.12 = 42,155,550.80 : x
  2. Step 2: Convert to fraction form
    51,009,619.09/76,402,274.12 = 42,155,550.80/x
  3. Step 3: Cross multiply
    51,009,619.09x = 76,402,274.12 × 42,155,550.80
  4. Step 4: Simplify right side
    51,009,619.09x = 3,220,779,947,901,185.50
  5. Step 5: Solve for x
    x = 3,220,779,947,901,185.50/51,009,619.09
  6. Step 6: Final answer
    x = 63,140,639.07

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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.