Home / 166,831,154.20-249,920,946.06-79,268,061.16

Finding the Fourth Proportional to 166,831,154.20, 249,920,946.06 and 79,268,061.16

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Solution

The fourth proportional to 166,831,154.20, 249,920,946.06 and 79,268,061.16 is: 118,747,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831,154.20 : 249,920,946.06 = 79,268,061.16 : x
  2. Step 2: Convert to fraction form
    166,831,154.20/249,920,946.06 = 79,268,061.16/x
  3. Step 3: Cross multiply
    166,831,154.20x = 249,920,946.06 × 79,268,061.16
  4. Step 4: Simplify right side
    166,831,154.20x = 19,810,748,837,449,140
  5. Step 5: Solve for x
    x = 19,810,748,837,449,140/166,831,154.20
  6. Step 6: Final answer
    x = 118,747,298.32

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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.