Home / 57,009,699.54-85,521,275.28-42,723,569.01

Finding the Fourth Proportional to 57,009,699.54, 85,521,275.28 and 42,723,569.01

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Solution

The fourth proportional to 57,009,699.54, 85,521,275.28 and 42,723,569.01 is: 64,090,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009,699.54 : 85,521,275.28 = 42,723,569.01 : x
  2. Step 2: Convert to fraction form
    57,009,699.54/85,521,275.28 = 42,723,569.01/x
  3. Step 3: Cross multiply
    57,009,699.54x = 85,521,275.28 × 42,723,569.01
  4. Step 4: Simplify right side
    57,009,699.54x = 3,653,774,106,248,287
  5. Step 5: Solve for x
    x = 3,653,774,106,248,287/57,009,699.54
  6. Step 6: Final answer
    x = 64,090,394.02

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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.