Home / 64,656,821.60-96,985,232.40-57,641,800.40

Finding the Fourth Proportional to 64,656,821.60, 96,985,232.40 and 57,641,800.40

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Solution

The fourth proportional to 64,656,821.60, 96,985,232.40 and 57,641,800.40 is: 86,462,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,656,821.60 : 96,985,232.40 = 57,641,800.40 : x
  2. Step 2: Convert to fraction form
    64,656,821.60/96,985,232.40 = 57,641,800.40/x
  3. Step 3: Cross multiply
    64,656,821.60x = 96,985,232.40 × 57,641,800.40
  4. Step 4: Simplify right side
    64,656,821.60x = 5,590,403,407,748,413
  5. Step 5: Solve for x
    x = 5,590,403,407,748,413/64,656,821.60
  6. Step 6: Final answer
    x = 86,462,700.60

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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.