Home / 76,872,803.15-106,084,465.11-42,065,496.51

Finding the Fourth Proportional to 76,872,803.15, 106,084,465.11 and 42,065,496.51

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Solution

The fourth proportional to 76,872,803.15, 106,084,465.11 and 42,065,496.51 is: 58,050,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,872,803.15 : 106,084,465.11 = 42,065,496.51 : x
  2. Step 2: Convert to fraction form
    76,872,803.15/106,084,465.11 = 42,065,496.51/x
  3. Step 3: Cross multiply
    76,872,803.15x = 106,084,465.11 × 42,065,496.51
  4. Step 4: Simplify right side
    76,872,803.15x = 4,462,495,696,849,921.50
  5. Step 5: Solve for x
    x = 4,462,495,696,849,921.50/76,872,803.15
  6. Step 6: Final answer
    x = 58,050,383.42

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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.