Home / 70,128,085.60-105,192,128.40-57,373,501.60

Finding the Fourth Proportional to 70,128,085.60, 105,192,128.40 and 57,373,501.60

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Solution

The fourth proportional to 70,128,085.60, 105,192,128.40 and 57,373,501.60 is: 86,060,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,128,085.60 : 105,192,128.40 = 57,373,501.60 : x
  2. Step 2: Convert to fraction form
    70,128,085.60/105,192,128.40 = 57,373,501.60/x
  3. Step 3: Cross multiply
    70,128,085.60x = 105,192,128.40 × 57,373,501.60
  4. Step 4: Simplify right side
    70,128,085.60x = 6,035,240,747,064,806
  5. Step 5: Solve for x
    x = 6,035,240,747,064,806/70,128,085.60
  6. Step 6: Final answer
    x = 86,060,252.40

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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.