Home / 166,151,313.40-249,226,970.10-80,057,871.40

Finding the Fourth Proportional to 166,151,313.40, 249,226,970.10 and 80,057,871.40

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Solution

The fourth proportional to 166,151,313.40, 249,226,970.10 and 80,057,871.40 is: 120,086,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,151,313.40 : 249,226,970.10 = 80,057,871.40 : x
  2. Step 2: Convert to fraction form
    166,151,313.40/249,226,970.10 = 80,057,871.40/x
  3. Step 3: Cross multiply
    166,151,313.40x = 249,226,970.10 × 80,057,871.40
  4. Step 4: Simplify right side
    166,151,313.40x = 19,952,580,721,677,448
  5. Step 5: Solve for x
    x = 19,952,580,721,677,448/166,151,313.40
  6. Step 6: Final answer
    x = 120,086,807.10

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1.5x scale

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.