Home / 91,458,017.88-137,007,657.18-53,038,817.16

Finding the Fourth Proportional to 91,458,017.88, 137,007,657.18 and 53,038,817.16

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Solution

The fourth proportional to 91,458,017.88, 137,007,657.18 and 53,038,817.16 is: 79,454,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,458,017.88 : 137,007,657.18 = 53,038,817.16 : x
  2. Step 2: Convert to fraction form
    91,458,017.88/137,007,657.18 = 53,038,817.16/x
  3. Step 3: Cross multiply
    91,458,017.88x = 137,007,657.18 × 53,038,817.16
  4. Step 4: Simplify right side
    91,458,017.88x = 7,266,724,078,689,981
  5. Step 5: Solve for x
    x = 7,266,724,078,689,981/91,458,017.88
  6. Step 6: Final answer
    x = 79,454,204.75

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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.