Home / 100,849,191.10-139,170,469.02-56,197,045.17

Finding the Fourth Proportional to 100,849,191.10, 139,170,469.02 and 56,197,045.17

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Solution

The fourth proportional to 100,849,191.10, 139,170,469.02 and 56,197,045.17 is: 77,551,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849,191.10 : 139,170,469.02 = 56,197,045.17 : x
  2. Step 2: Convert to fraction form
    100,849,191.10/139,170,469.02 = 56,197,045.17/x
  3. Step 3: Cross multiply
    100,849,191.10x = 139,170,469.02 × 56,197,045.17
  4. Step 4: Simplify right side
    100,849,191.10x = 7,820,969,133,847,026
  5. Step 5: Solve for x
    x = 7,820,969,133,847,026/100,849,191.10
  6. Step 6: Final answer
    x = 77,551,134.01

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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.