Home / 79,133,346.30-118,700,019.45-48,900,258.30

Finding the Fourth Proportional to 79,133,346.30, 118,700,019.45 and 48,900,258.30

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Solution

The fourth proportional to 79,133,346.30, 118,700,019.45 and 48,900,258.30 is: 73,350,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133,346.30 : 118,700,019.45 = 48,900,258.30 : x
  2. Step 2: Convert to fraction form
    79,133,346.30/118,700,019.45 = 48,900,258.30/x
  3. Step 3: Cross multiply
    79,133,346.30x = 118,700,019.45 × 48,900,258.30
  4. Step 4: Simplify right side
    79,133,346.30x = 5,804,461,611,320,024
  5. Step 5: Solve for x
    x = 5,804,461,611,320,024/79,133,346.30
  6. Step 6: Final answer
    x = 73,350,387.45

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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.