Home / 145,165,931.40-217,848,429.90-64,444,830.60

Finding the Fourth Proportional to 145,165,931.40, 217,848,429.90 and 64,444,830.60

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Solution

The fourth proportional to 145,165,931.40, 217,848,429.90 and 64,444,830.60 is: 96,711,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,931.40 : 217,848,429.90 = 64,444,830.60 : x
  2. Step 2: Convert to fraction form
    145,165,931.40/217,848,429.90 = 64,444,830.60/x
  3. Step 3: Cross multiply
    145,165,931.40x = 217,848,429.90 × 64,444,830.60
  4. Step 4: Simplify right side
    145,165,931.40x = 14,039,205,161,381,476
  5. Step 5: Solve for x
    x = 14,039,205,161,381,476/145,165,931.40
  6. Step 6: Final answer
    x = 96,711,432.40

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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.