Home / 97,011,666.40-145,517,499.60-83,973,647.20

Finding the Fourth Proportional to 97,011,666.40, 145,517,499.60 and 83,973,647.20

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Solution

The fourth proportional to 97,011,666.40, 145,517,499.60 and 83,973,647.20 is: 125,960,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,011,666.40 : 145,517,499.60 = 83,973,647.20 : x
  2. Step 2: Convert to fraction form
    97,011,666.40/145,517,499.60 = 83,973,647.20/x
  3. Step 3: Cross multiply
    97,011,666.40x = 145,517,499.60 × 83,973,647.20
  4. Step 4: Simplify right side
    97,011,666.40x = 12,219,635,172,836,542
  5. Step 5: Solve for x
    x = 12,219,635,172,836,542/97,011,666.40
  6. Step 6: Final answer
    x = 125,960,470.80

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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.