Home / 166,297,044.40-249,312,856.20-70,480,135.60

Finding the Fourth Proportional to 166,297,044.40, 249,312,856.20 and 70,480,135.60

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Solution

The fourth proportional to 166,297,044.40, 249,312,856.20 and 70,480,135.60 is: 105,663,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,297,044.40 : 249,312,856.20 = 70,480,135.60 : x
  2. Step 2: Convert to fraction form
    166,297,044.40/249,312,856.20 = 70,480,135.60/x
  3. Step 3: Cross multiply
    166,297,044.40x = 249,312,856.20 × 70,480,135.60
  4. Step 4: Simplify right side
    166,297,044.40x = 17,571,603,911,799,298
  5. Step 5: Solve for x
    x = 17,571,603,911,799,298/166,297,044.40
  6. Step 6: Final answer
    x = 105,663,957.98

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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.