Home / 162,037,761.60-243,168,616.80-116,638,363.20

Finding the Fourth Proportional to 162,037,761.60, 243,168,616.80 and 116,638,363.20

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Solution

The fourth proportional to 162,037,761.60, 243,168,616.80 and 116,638,363.20 is: 175,038,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,037,761.60 : 243,168,616.80 = 116,638,363.20 : x
  2. Step 2: Convert to fraction form
    162,037,761.60/243,168,616.80 = 116,638,363.20/x
  3. Step 3: Cross multiply
    162,037,761.60x = 243,168,616.80 × 116,638,363.20
  4. Step 4: Simplify right side
    162,037,761.60x = 28,362,789,445,160,024
  5. Step 5: Solve for x
    x = 28,362,789,445,160,024/162,037,761.60
  6. Step 6: Final answer
    x = 175,038,146.45

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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.