Home / 145,071,140.40-217,606,710.60-93,415,075.20

Finding the Fourth Proportional to 145,071,140.40, 217,606,710.60 and 93,415,075.20

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Solution

The fourth proportional to 145,071,140.40, 217,606,710.60 and 93,415,075.20 is: 140,122,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,071,140.40 : 217,606,710.60 = 93,415,075.20 : x
  2. Step 2: Convert to fraction form
    145,071,140.40/217,606,710.60 = 93,415,075.20/x
  3. Step 3: Cross multiply
    145,071,140.40x = 217,606,710.60 × 93,415,075.20
  4. Step 4: Simplify right side
    145,071,140.40x = 20,327,747,234,723,636
  5. Step 5: Solve for x
    x = 20,327,747,234,723,636/145,071,140.40
  6. Step 6: Final answer
    x = 140,122,612.80

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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.