Home / 161,806,155.42-242,881,952.40-69,735,331.38

Finding the Fourth Proportional to 161,806,155.42, 242,881,952.40 and 69,735,331.38

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Solution

The fourth proportional to 161,806,155.42, 242,881,952.40 and 69,735,331.38 is: 104,677,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,806,155.42 : 242,881,952.40 = 69,735,331.38 : x
  2. Step 2: Convert to fraction form
    161,806,155.42/242,881,952.40 = 69,735,331.38/x
  3. Step 3: Cross multiply
    161,806,155.42x = 242,881,952.40 × 69,735,331.38
  4. Step 4: Simplify right side
    161,806,155.42x = 16,937,453,436,835,386
  5. Step 5: Solve for x
    x = 16,937,453,436,835,386/161,806,155.42
  6. Step 6: Final answer
    x = 104,677,435.74

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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.