Home / 79,828,975.81-110,157,388.45-45,030,219.13

Finding the Fourth Proportional to 79,828,975.81, 110,157,388.45 and 45,030,219.13

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Solution

The fourth proportional to 79,828,975.81, 110,157,388.45 and 45,030,219.13 is: 62,137,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,828,975.81 : 110,157,388.45 = 45,030,219.13 : x
  2. Step 2: Convert to fraction form
    79,828,975.81/110,157,388.45 = 45,030,219.13/x
  3. Step 3: Cross multiply
    79,828,975.81x = 110,157,388.45 × 45,030,219.13
  4. Step 4: Simplify right side
    79,828,975.81x = 4,960,411,340,692,031
  5. Step 5: Solve for x
    x = 4,960,411,340,692,031/79,828,975.81
  6. Step 6: Final answer
    x = 62,137,980.48

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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.