Home / 96,712,021.80-145,068,032.70-91,038,652.20

Finding the Fourth Proportional to 96,712,021.80, 145,068,032.70 and 91,038,652.20

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Solution

The fourth proportional to 96,712,021.80, 145,068,032.70 and 91,038,652.20 is: 136,557,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,712,021.80 : 145,068,032.70 = 91,038,652.20 : x
  2. Step 2: Convert to fraction form
    96,712,021.80/145,068,032.70 = 91,038,652.20/x
  3. Step 3: Cross multiply
    96,712,021.80x = 145,068,032.70 × 91,038,652.20
  4. Step 4: Simplify right side
    96,712,021.80x = 13,206,798,174,313,526
  5. Step 5: Solve for x
    x = 13,206,798,174,313,526/96,712,021.80
  6. Step 6: Final answer
    x = 136,557,978.30

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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.