Home / 64,686,943.98-89,275,810.50-36,816,430.50

Finding the Fourth Proportional to 64,686,943.98, 89,275,810.50 and 36,816,430.50

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Solution

The fourth proportional to 64,686,943.98, 89,275,810.50 and 36,816,430.50 is: 50,811,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686,943.98 : 89,275,810.50 = 36,816,430.50 : x
  2. Step 2: Convert to fraction form
    64,686,943.98/89,275,810.50 = 36,816,430.50/x
  3. Step 3: Cross multiply
    64,686,943.98x = 89,275,810.50 × 36,816,430.50
  4. Step 4: Simplify right side
    64,686,943.98x = 3,286,816,672,604,420
  5. Step 5: Solve for x
    x = 3,286,816,672,604,420/64,686,943.98
  6. Step 6: Final answer
    x = 50,811,129.27

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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.