Home / 145,152,030.45-217,728,045.68-64,372,998.45

Finding the Fourth Proportional to 145,152,030.45, 217,728,045.68 and 64,372,998.45

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Solution

The fourth proportional to 145,152,030.45, 217,728,045.68 and 64,372,998.45 is: 96,559,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,030.45 : 217,728,045.68 = 64,372,998.45 : x
  2. Step 2: Convert to fraction form
    145,152,030.45/217,728,045.68 = 64,372,998.45/x
  3. Step 3: Cross multiply
    145,152,030.45x = 217,728,045.68 × 64,372,998.45
  4. Step 4: Simplify right side
    145,152,030.45x = 14,015,807,146,758,306
  5. Step 5: Solve for x
    x = 14,015,807,146,758,306/145,152,030.45
  6. Step 6: Final answer
    x = 96,559,497.68

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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.