Home / 76,309,075.11-114,501,472.08-30,249,970.59

Finding the Fourth Proportional to 76,309,075.11, 114,501,472.08 and 30,249,970.59

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Solution

The fourth proportional to 76,309,075.11, 114,501,472.08 and 30,249,970.59 is: 45,389,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,309,075.11 : 114,501,472.08 = 30,249,970.59 : x
  2. Step 2: Convert to fraction form
    76,309,075.11/114,501,472.08 = 30,249,970.59/x
  3. Step 3: Cross multiply
    76,309,075.11x = 114,501,472.08 × 30,249,970.59
  4. Step 4: Simplify right side
    76,309,075.11x = 3,463,666,162,931,706
  5. Step 5: Solve for x
    x = 3,463,666,162,931,706/76,309,075.11
  6. Step 6: Final answer
    x = 45,389,963.88

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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.