Home / 42,772,477.84-64,133,095.02-13,613,721.80

Finding the Fourth Proportional to 42,772,477.84, 64,133,095.02 and 13,613,721.80

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Solution

The fourth proportional to 42,772,477.84, 64,133,095.02 and 13,613,721.80 is: 20,412,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772,477.84 : 64,133,095.02 = 13,613,721.80 : x
  2. Step 2: Convert to fraction form
    42,772,477.84/64,133,095.02 = 13,613,721.80/x
  3. Step 3: Cross multiply
    42,772,477.84x = 64,133,095.02 × 13,613,721.80
  4. Step 4: Simplify right side
    42,772,477.84x = 873,090,113,775,245.50
  5. Step 5: Solve for x
    x = 873,090,113,775,245.50/42,772,477.84
  6. Step 6: Final answer
    x = 20,412,427.75

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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.