Home / 73,779,510.54-101,824,701.44-42,839,679.72

Finding the Fourth Proportional to 73,779,510.54, 101,824,701.44 and 42,839,679.72

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Solution

The fourth proportional to 73,779,510.54, 101,824,701.44 and 42,839,679.72 is: 59,123,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779,510.54 : 101,824,701.44 = 42,839,679.72 : x
  2. Step 2: Convert to fraction form
    73,779,510.54/101,824,701.44 = 42,839,679.72/x
  3. Step 3: Cross multiply
    73,779,510.54x = 101,824,701.44 × 42,839,679.72
  4. Step 4: Simplify right side
    73,779,510.54x = 4,362,137,597,274,222.50
  5. Step 5: Solve for x
    x = 4,362,137,597,274,222.50/73,779,510.54
  6. Step 6: Final answer
    x = 59,123,970.40

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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.