Home / 134,838,010.10-202,257,015.15-77,507,117.30

Finding the Fourth Proportional to 134,838,010.10, 202,257,015.15 and 77,507,117.30

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Solution

The fourth proportional to 134,838,010.10, 202,257,015.15 and 77,507,117.30 is: 116,260,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838,010.10 : 202,257,015.15 = 77,507,117.30 : x
  2. Step 2: Convert to fraction form
    134,838,010.10/202,257,015.15 = 77,507,117.30/x
  3. Step 3: Cross multiply
    134,838,010.10x = 202,257,015.15 × 77,507,117.30
  4. Step 4: Simplify right side
    134,838,010.10x = 15,676,358,197,978,926
  5. Step 5: Solve for x
    x = 15,676,358,197,978,926/134,838,010.10
  6. Step 6: Final answer
    x = 116,260,675.95

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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.