Home / 152,160,412.40-209,963,654.18-85,183,038.12

Finding the Fourth Proportional to 152,160,412.40, 209,963,654.18 and 85,183,038.12

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Solution

The fourth proportional to 152,160,412.40, 209,963,654.18 and 85,183,038.12 is: 117,542,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,160,412.40 : 209,963,654.18 = 85,183,038.12 : x
  2. Step 2: Convert to fraction form
    152,160,412.40/209,963,654.18 = 85,183,038.12/x
  3. Step 3: Cross multiply
    152,160,412.40x = 209,963,654.18 × 85,183,038.12
  4. Step 4: Simplify right side
    152,160,412.40x = 17,885,341,957,829,438
  5. Step 5: Solve for x
    x = 17,885,341,957,829,438/152,160,412.40
  6. Step 6: Final answer
    x = 117,542,675.36

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