Home / 45,657,174.39-68,509,307.40-21,398,565.81

Finding the Fourth Proportional to 45,657,174.39, 68,509,307.40 and 21,398,565.81

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Solution

The fourth proportional to 45,657,174.39, 68,509,307.40 and 21,398,565.81 is: 32,108,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657,174.39 : 68,509,307.40 = 21,398,565.81 : x
  2. Step 2: Convert to fraction form
    45,657,174.39/68,509,307.40 = 21,398,565.81/x
  3. Step 3: Cross multiply
    45,657,174.39x = 68,509,307.40 × 21,398,565.81
  4. Step 4: Simplify right side
    45,657,174.39x = 1,466,000,922,996,420
  5. Step 5: Solve for x
    x = 1,466,000,922,996,420/45,657,174.39
  6. Step 6: Final answer
    x = 32,108,884.15

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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.