Home / 139,281,746.64-192,193,547.76-80,535,521.52

Finding the Fourth Proportional to 139,281,746.64, 192,193,547.76 and 80,535,521.52

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Solution

The fourth proportional to 139,281,746.64, 192,193,547.76 and 80,535,521.52 is: 111,130,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,281,746.64 : 192,193,547.76 = 80,535,521.52 : x
  2. Step 2: Convert to fraction form
    139,281,746.64/192,193,547.76 = 80,535,521.52/x
  3. Step 3: Cross multiply
    139,281,746.64x = 192,193,547.76 × 80,535,521.52
  4. Step 4: Simplify right side
    139,281,746.64x = 15,478,407,601,630,626
  5. Step 5: Solve for x
    x = 15,478,407,601,630,626/139,281,746.64
  6. Step 6: Final answer
    x = 111,130,194.55

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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.