Home / 142,830,683.65-214,248,683.70-40,597,378.48

Finding the Fourth Proportional to 142,830,683.65, 214,248,683.70 and 40,597,378.48

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Solution

The fourth proportional to 142,830,683.65, 214,248,683.70 and 40,597,378.48 is: 60,896,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,830,683.65 : 214,248,683.70 = 40,597,378.48 : x
  2. Step 2: Convert to fraction form
    142,830,683.65/214,248,683.70 = 40,597,378.48/x
  3. Step 3: Cross multiply
    142,830,683.65x = 214,248,683.70 × 40,597,378.48
  4. Step 4: Simplify right side
    142,830,683.65x = 8,697,934,900,789,509
  5. Step 5: Solve for x
    x = 8,697,934,900,789,509/142,830,683.65
  6. Step 6: Final answer
    x = 60,896,823.28

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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.