Home / 70,295,558.40-105,506,323.20-60,721,747.20

Finding the Fourth Proportional to 70,295,558.40, 105,506,323.20 and 60,721,747.20

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Solution

The fourth proportional to 70,295,558.40, 105,506,323.20 and 60,721,747.20 is: 91,137,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295,558.40 : 105,506,323.20 = 60,721,747.20 : x
  2. Step 2: Convert to fraction form
    70,295,558.40/105,506,323.20 = 60,721,747.20/x
  3. Step 3: Cross multiply
    70,295,558.40x = 105,506,323.20 × 60,721,747.20
  4. Step 4: Simplify right side
    70,295,558.40x = 6,406,528,285,351,896
  5. Step 5: Solve for x
    x = 6,406,528,285,351,896/70,295,558.40
  6. Step 6: Final answer
    x = 91,137,028.16

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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.