Home / 109,000,807.18-150,417,761.20-61,963,018.94

Finding the Fourth Proportional to 109,000,807.18, 150,417,761.20 and 61,963,018.94

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Solution

The fourth proportional to 109,000,807.18, 150,417,761.20 and 61,963,018.94 is: 85,507,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,000,807.18 : 150,417,761.20 = 61,963,018.94 : x
  2. Step 2: Convert to fraction form
    109,000,807.18/150,417,761.20 = 61,963,018.94/x
  3. Step 3: Cross multiply
    109,000,807.18x = 150,417,761.20 × 61,963,018.94
  4. Step 4: Simplify right side
    109,000,807.18x = 9,320,338,586,369,134
  5. Step 5: Solve for x
    x = 9,320,338,586,369,134/109,000,807.18
  6. Step 6: Final answer
    x = 85,507,060.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.