Home / 368,711,311.02-552,707,495.40-147,316,644.06

Finding the Fourth Proportional to 368,711,311.02, 552,707,495.40 and 147,316,644.06

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Solution

The fourth proportional to 368,711,311.02, 552,707,495.40 and 147,316,644.06 is: 220,831,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,711,311.02 : 552,707,495.40 = 147,316,644.06 : x
  2. Step 2: Convert to fraction form
    368,711,311.02/552,707,495.40 = 147,316,644.06/x
  3. Step 3: Cross multiply
    368,711,311.02x = 552,707,495.40 × 147,316,644.06
  4. Step 4: Simplify right side
    368,711,311.02x = 81,423,013,369,135,888
  5. Step 5: Solve for x
    x = 81,423,013,369,135,888/368,711,311.02
  6. Step 6: Final answer
    x = 220,831,341.31

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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.