Home / 217,742,798.10-326,614,197.15-145,183,386.90

Finding the Fourth Proportional to 217,742,798.10, 326,614,197.15 and 145,183,386.90

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Solution

The fourth proportional to 217,742,798.10, 326,614,197.15 and 145,183,386.90 is: 217,775,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742,798.10 : 326,614,197.15 = 145,183,386.90 : x
  2. Step 2: Convert to fraction form
    217,742,798.10/326,614,197.15 = 145,183,386.90/x
  3. Step 3: Cross multiply
    217,742,798.10x = 326,614,197.15 × 145,183,386.90
  4. Step 4: Simplify right side
    217,742,798.10x = 47,418,955,351,861,328
  5. Step 5: Solve for x
    x = 47,418,955,351,861,328/217,742,798.10
  6. Step 6: Final answer
    x = 217,775,080.35

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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.