Home / 145,152,003.40-217,728,005.10-58,931,715.40

Finding the Fourth Proportional to 145,152,003.40, 217,728,005.10 and 58,931,715.40

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Solution

The fourth proportional to 145,152,003.40, 217,728,005.10 and 58,931,715.40 is: 88,397,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,003.40 : 217,728,005.10 = 58,931,715.40 : x
  2. Step 2: Convert to fraction form
    145,152,003.40/217,728,005.10 = 58,931,715.40/x
  3. Step 3: Cross multiply
    145,152,003.40x = 217,728,005.10 × 58,931,715.40
  4. Step 4: Simplify right side
    145,152,003.40x = 12,831,084,831,162,948
  5. Step 5: Solve for x
    x = 12,831,084,831,162,948/145,152,003.40
  6. Step 6: Final answer
    x = 88,397,573.10

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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.