Home / 74,376,307.80-111,564,461.70-51,418,056.60

Finding the Fourth Proportional to 74,376,307.80, 111,564,461.70 and 51,418,056.60

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Solution

The fourth proportional to 74,376,307.80, 111,564,461.70 and 51,418,056.60 is: 77,127,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,376,307.80 : 111,564,461.70 = 51,418,056.60 : x
  2. Step 2: Convert to fraction form
    74,376,307.80/111,564,461.70 = 51,418,056.60/x
  3. Step 3: Cross multiply
    74,376,307.80x = 111,564,461.70 × 51,418,056.60
  4. Step 4: Simplify right side
    74,376,307.80x = 5,736,427,806,239,133
  5. Step 5: Solve for x
    x = 5,736,427,806,239,133/74,376,307.80
  6. Step 6: Final answer
    x = 77,127,084.90

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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.