Home / 166,312,061.60-249,090,178.80-105,090,058.40

Finding the Fourth Proportional to 166,312,061.60, 249,090,178.80 and 105,090,058.40

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Solution

The fourth proportional to 166,312,061.60, 249,090,178.80 and 105,090,058.40 is: 157,396,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,312,061.60 : 249,090,178.80 = 105,090,058.40 : x
  2. Step 2: Convert to fraction form
    166,312,061.60/249,090,178.80 = 105,090,058.40/x
  3. Step 3: Cross multiply
    166,312,061.60x = 249,090,178.80 × 105,090,058.40
  4. Step 4: Simplify right side
    166,312,061.60x = 26,176,901,436,958,444
  5. Step 5: Solve for x
    x = 26,176,901,436,958,444/166,312,061.60
  6. Step 6: Final answer
    x = 157,396,289.75

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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.