Home / 70,130,534.70-96,779,855.52-39,190,695.78

Finding the Fourth Proportional to 70,130,534.70, 96,779,855.52 and 39,190,695.78

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Solution

The fourth proportional to 70,130,534.70, 96,779,855.52 and 39,190,695.78 is: 54,083,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130,534.70 : 96,779,855.52 = 39,190,695.78 : x
  2. Step 2: Convert to fraction form
    70,130,534.70/96,779,855.52 = 39,190,695.78/x
  3. Step 3: Cross multiply
    70,130,534.70x = 96,779,855.52 × 39,190,695.78
  4. Step 4: Simplify right side
    70,130,534.70x = 3,792,869,875,316,673.50
  5. Step 5: Solve for x
    x = 3,792,869,875,316,673.50/70,130,534.70
  6. Step 6: Final answer
    x = 54,083,002.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.