Home / 152,119,386.45-209,929,505.27-86,038,591.64

Finding the Fourth Proportional to 152,119,386.45, 209,929,505.27 and 86,038,591.64

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Solution

The fourth proportional to 152,119,386.45, 209,929,505.27 and 86,038,591.64 is: 118,735,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,119,386.45 : 209,929,505.27 = 86,038,591.64 : x
  2. Step 2: Convert to fraction form
    152,119,386.45/209,929,505.27 = 86,038,591.64/x
  3. Step 3: Cross multiply
    152,119,386.45x = 209,929,505.27 × 86,038,591.64
  4. Step 4: Simplify right side
    152,119,386.45x = 18,062,038,975,632,916
  5. Step 5: Solve for x
    x = 18,062,038,975,632,916/152,119,386.45
  6. Step 6: Final answer
    x = 118,735,944.16

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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.