Home / 42,955,329.96-64,439,047.67-13,799,392.51

Finding the Fourth Proportional to 42,955,329.96, 64,439,047.67 and 13,799,392.51

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Solution

The fourth proportional to 42,955,329.96, 64,439,047.67 and 13,799,392.51 is: 20,701,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,955,329.96 : 64,439,047.67 = 13,799,392.51 : x
  2. Step 2: Convert to fraction form
    42,955,329.96/64,439,047.67 = 13,799,392.51/x
  3. Step 3: Cross multiply
    42,955,329.96x = 64,439,047.67 × 13,799,392.51
  4. Step 4: Simplify right side
    42,955,329.96x = 889,219,711,768,931
  5. Step 5: Solve for x
    x = 889,219,711,768,931/42,955,329.96
  6. Step 6: Final answer
    x = 20,701,033.20

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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.