Home / 185,343,124.90-278,031,025.44-68,759,831.38

Finding the Fourth Proportional to 185,343,124.90, 278,031,025.44 and 68,759,831.38

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Solution

The fourth proportional to 185,343,124.90, 278,031,025.44 and 68,759,831.38 is: 103,145,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,343,124.90 : 278,031,025.44 = 68,759,831.38 : x
  2. Step 2: Convert to fraction form
    185,343,124.90/278,031,025.44 = 68,759,831.38/x
  3. Step 3: Cross multiply
    185,343,124.90x = 278,031,025.44 × 68,759,831.38
  4. Step 4: Simplify right side
    185,343,124.90x = 19,117,366,427,662,888
  5. Step 5: Solve for x
    x = 19,117,366,427,662,888/185,343,124.90
  6. Step 6: Final answer
    x = 103,145,808.28

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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.