Home / 96,773,312.40-145,159,968.60-72,885,440.40

Finding the Fourth Proportional to 96,773,312.40, 145,159,968.60 and 72,885,440.40

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Solution

The fourth proportional to 96,773,312.40, 145,159,968.60 and 72,885,440.40 is: 109,328,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,773,312.40 : 145,159,968.60 = 72,885,440.40 : x
  2. Step 2: Convert to fraction form
    96,773,312.40/145,159,968.60 = 72,885,440.40/x
  3. Step 3: Cross multiply
    96,773,312.40x = 145,159,968.60 × 72,885,440.40
  4. Step 4: Simplify right side
    96,773,312.40x = 10,580,048,239,861,172
  5. Step 5: Solve for x
    x = 10,580,048,239,861,172/96,773,312.40
  6. Step 6: Final answer
    x = 109,328,160.60

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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.