Home / 152,119,387.45-209,929,506.65-86,038,592.64

Finding the Fourth Proportional to 152,119,387.45, 209,929,506.65 and 86,038,592.64

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Solution

The fourth proportional to 152,119,387.45, 209,929,506.65 and 86,038,592.64 is: 118,735,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,119,387.45 : 209,929,506.65 = 86,038,592.64 : x
  2. Step 2: Convert to fraction form
    152,119,387.45/209,929,506.65 = 86,038,592.64/x
  3. Step 3: Cross multiply
    152,119,387.45x = 209,929,506.65 × 86,038,592.64
  4. Step 4: Simplify right side
    152,119,387.45x = 18,062,039,305,775,520
  5. Step 5: Solve for x
    x = 18,062,039,305,775,520/152,119,387.45
  6. Step 6: Final answer
    x = 118,735,945.55

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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.