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Finding the Fourth Proportional to 291,697,598.40, 437,272,682.40 and 110,066,827.20

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Solution

The fourth proportional to 291,697,598.40, 437,272,682.40 and 110,066,827.20 is: 164,996,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,697,598.40 : 437,272,682.40 = 110,066,827.20 : x
  2. Step 2: Convert to fraction form
    291,697,598.40/437,272,682.40 = 110,066,827.20/x
  3. Step 3: Cross multiply
    291,697,598.40x = 437,272,682.40 × 110,066,827.20
  4. Step 4: Simplify right side
    291,697,598.40x = 48,129,216,773,001,280
  5. Step 5: Solve for x
    x = 48,129,216,773,001,280/291,697,598.40
  6. Step 6: Final answer
    x = 164,996,959.31

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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.