Home / 142,390,831.20-213,573,805.20-46,652,719.20

Finding the Fourth Proportional to 142,390,831.20, 213,573,805.20 and 46,652,719.20

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Solution

The fourth proportional to 142,390,831.20, 213,573,805.20 and 46,652,719.20 is: 69,975,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,390,831.20 : 213,573,805.20 = 46,652,719.20 : x
  2. Step 2: Convert to fraction form
    142,390,831.20/213,573,805.20 = 46,652,719.20/x
  3. Step 3: Cross multiply
    142,390,831.20x = 213,573,805.20 × 46,652,719.20
  4. Step 4: Simplify right side
    142,390,831.20x = 9,963,798,762,471,100
  5. Step 5: Solve for x
    x = 9,963,798,762,471,100/142,390,831.20
  6. Step 6: Final answer
    x = 69,975,002.45

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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.