Home / 76,711,114.14-105,646,130.46-71,787,534.72

Finding the Fourth Proportional to 76,711,114.14, 105,646,130.46 and 71,787,534.72

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Solution

The fourth proportional to 76,711,114.14, 105,646,130.46 and 71,787,534.72 is: 98,865,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,711,114.14 : 105,646,130.46 = 71,787,534.72 : x
  2. Step 2: Convert to fraction form
    76,711,114.14/105,646,130.46 = 71,787,534.72/x
  3. Step 3: Cross multiply
    76,711,114.14x = 105,646,130.46 × 71,787,534.72
  4. Step 4: Simplify right side
    76,711,114.14x = 7,584,075,258,430,899
  5. Step 5: Solve for x
    x = 7,584,075,258,430,899/76,711,114.14
  6. Step 6: Final answer
    x = 98,865,403.58

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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.