Home / 153,155,752.86-211,432,986.27-118,270,128.54

Finding the Fourth Proportional to 153,155,752.86, 211,432,986.27 and 118,270,128.54

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Solution

The fourth proportional to 153,155,752.86, 211,432,986.27 and 118,270,128.54 is: 163,273,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,155,752.86 : 211,432,986.27 = 118,270,128.54 : x
  2. Step 2: Convert to fraction form
    153,155,752.86/211,432,986.27 = 118,270,128.54/x
  3. Step 3: Cross multiply
    153,155,752.86x = 211,432,986.27 × 118,270,128.54
  4. Step 4: Simplify right side
    153,155,752.86x = 25,006,206,463,748,956
  5. Step 5: Solve for x
    x = 25,006,206,463,748,956/153,155,752.86
  6. Step 6: Final answer
    x = 163,273,047.19

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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.