Home / 139,020,210.90-208,530,316.35-36,794,582.10

Finding the Fourth Proportional to 139,020,210.90, 208,530,316.35 and 36,794,582.10

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Solution

The fourth proportional to 139,020,210.90, 208,530,316.35 and 36,794,582.10 is: 55,191,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,020,210.90 : 208,530,316.35 = 36,794,582.10 : x
  2. Step 2: Convert to fraction form
    139,020,210.90/208,530,316.35 = 36,794,582.10/x
  3. Step 3: Cross multiply
    139,020,210.90x = 208,530,316.35 × 36,794,582.10
  4. Step 4: Simplify right side
    139,020,210.90x = 7,672,785,845,279,047
  5. Step 5: Solve for x
    x = 7,672,785,845,279,047/139,020,210.90
  6. Step 6: Final answer
    x = 55,191,873.15

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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.