Home / 145,627,916.01-200,967,209.06-79,549,331.01

Finding the Fourth Proportional to 145,627,916.01, 200,967,209.06 and 79,549,331.01

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Solution

The fourth proportional to 145,627,916.01, 200,967,209.06 and 79,549,331.01 is: 109,778,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,916.01 : 200,967,209.06 = 79,549,331.01 : x
  2. Step 2: Convert to fraction form
    145,627,916.01/200,967,209.06 = 79,549,331.01/x
  3. Step 3: Cross multiply
    145,627,916.01x = 200,967,209.06 × 79,549,331.01
  4. Step 4: Simplify right side
    145,627,916.01x = 15,986,807,035,272,066
  5. Step 5: Solve for x
    x = 15,986,807,035,272,066/145,627,916.01
  6. Step 6: Final answer
    x = 109,778,450.95

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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.