Home / 64,686,071.80-97,030,662.90-19,249,348.60

Finding the Fourth Proportional to 64,686,071.80, 97,030,662.90 and 19,249,348.60

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Solution

The fourth proportional to 64,686,071.80, 97,030,662.90 and 19,249,348.60 is: 28,874,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686,071.80 : 97,030,662.90 = 19,249,348.60 : x
  2. Step 2: Convert to fraction form
    64,686,071.80/97,030,662.90 = 19,249,348.60/x
  3. Step 3: Cross multiply
    64,686,071.80x = 97,030,662.90 × 19,249,348.60
  4. Step 4: Simplify right side
    64,686,071.80x = 1,867,777,055,051,187.25
  5. Step 5: Solve for x
    x = 1,867,777,055,051,187.25/64,686,071.80
  6. Step 6: Final answer
    x = 28,874,485.70

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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.