Home / 162,369,331.60-243,541,289.58-45,779,978.20

Finding the Fourth Proportional to 162,369,331.60, 243,541,289.58 and 45,779,978.20

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Solution

The fourth proportional to 162,369,331.60, 243,541,289.58 and 45,779,978.20 is: 68,666,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,369,331.60 : 243,541,289.58 = 45,779,978.20 : x
  2. Step 2: Convert to fraction form
    162,369,331.60/243,541,289.58 = 45,779,978.20/x
  3. Step 3: Cross multiply
    162,369,331.60x = 243,541,289.58 × 45,779,978.20
  4. Step 4: Simplify right side
    162,369,331.60x = 11,149,314,927,772,288
  5. Step 5: Solve for x
    x = 11,149,314,927,772,288/162,369,331.60
  6. Step 6: Final answer
    x = 68,666,384.33

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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.