Home / 243,578,421.40-365,367,632.10-114,438,258.40

Finding the Fourth Proportional to 243,578,421.40, 365,367,632.10 and 114,438,258.40

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Solution

The fourth proportional to 243,578,421.40, 365,367,632.10 and 114,438,258.40 is: 171,657,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,578,421.40 : 365,367,632.10 = 114,438,258.40 : x
  2. Step 2: Convert to fraction form
    243,578,421.40/365,367,632.10 = 114,438,258.40/x
  3. Step 3: Cross multiply
    243,578,421.40x = 365,367,632.10 × 114,438,258.40
  4. Step 4: Simplify right side
    243,578,421.40x = 41,812,035,493,255,936
  5. Step 5: Solve for x
    x = 41,812,035,493,255,936/243,578,421.40
  6. Step 6: Final answer
    x = 171,657,387.60

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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.