Home / 166,245,809.40-249,408,035.70-52,778,417.40

Finding the Fourth Proportional to 166,245,809.40, 249,408,035.70 and 52,778,417.40

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Solution

The fourth proportional to 166,245,809.40, 249,408,035.70 and 52,778,417.40 is: 79,180,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,245,809.40 : 249,408,035.70 = 52,778,417.40 : x
  2. Step 2: Convert to fraction form
    166,245,809.40/249,408,035.70 = 52,778,417.40/x
  3. Step 3: Cross multiply
    166,245,809.40x = 249,408,035.70 × 52,778,417.40
  4. Step 4: Simplify right side
    166,245,809.40x = 13,163,361,411,088,700
  5. Step 5: Solve for x
    x = 13,163,361,411,088,700/166,245,809.40
  6. Step 6: Final answer
    x = 79,180,109.61

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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.