Home / 74,429,789.63-102,698,058.08-43,483,980.20

Finding the Fourth Proportional to 74,429,789.63, 102,698,058.08 and 43,483,980.20

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Solution

The fourth proportional to 74,429,789.63, 102,698,058.08 and 43,483,980.20 is: 59,999,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429,789.63 : 102,698,058.08 = 43,483,980.20 : x
  2. Step 2: Convert to fraction form
    74,429,789.63/102,698,058.08 = 43,483,980.20/x
  3. Step 3: Cross multiply
    74,429,789.63x = 102,698,058.08 × 43,483,980.20
  4. Step 4: Simplify right side
    74,429,789.63x = 4,465,720,323,724,389.50
  5. Step 5: Solve for x
    x = 4,465,720,323,724,389.50/74,429,789.63
  6. Step 6: Final answer
    x = 59,999,099.10

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1.5x scale

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.