Home / 143,542,923.80-215,303,970.60-56,087,996.54

Finding the Fourth Proportional to 143,542,923.80, 215,303,970.60 and 56,087,996.54

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Solution

The fourth proportional to 143,542,923.80, 215,303,970.60 and 56,087,996.54 is: 84,127,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,542,923.80 : 215,303,970.60 = 56,087,996.54 : x
  2. Step 2: Convert to fraction form
    143,542,923.80/215,303,970.60 = 56,087,996.54/x
  3. Step 3: Cross multiply
    143,542,923.80x = 215,303,970.60 × 56,087,996.54
  4. Step 4: Simplify right side
    143,542,923.80x = 12,075,968,358,061,062
  5. Step 5: Solve for x
    x = 12,075,968,358,061,062/143,542,923.80
  6. Step 6: Final answer
    x = 84,127,925.21

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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.