Home / 73,779,509.54-101,824,700.06-42,839,678.72

Finding the Fourth Proportional to 73,779,509.54, 101,824,700.06 and 42,839,678.72

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Solution

The fourth proportional to 73,779,509.54, 101,824,700.06 and 42,839,678.72 is: 59,123,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779,509.54 : 101,824,700.06 = 42,839,678.72 : x
  2. Step 2: Convert to fraction form
    73,779,509.54/101,824,700.06 = 42,839,678.72/x
  3. Step 3: Cross multiply
    73,779,509.54x = 101,824,700.06 × 42,839,678.72
  4. Step 4: Simplify right side
    73,779,509.54x = 4,362,137,436,116,566.50
  5. Step 5: Solve for x
    x = 4,362,137,436,116,566.50/73,779,509.54
  6. Step 6: Final answer
    x = 59,123,969.02

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