Home / 91,341,923.40-137,012,885.10-42,914,362.28

Finding the Fourth Proportional to 91,341,923.40, 137,012,885.10 and 42,914,362.28

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Solution

The fourth proportional to 91,341,923.40, 137,012,885.10 and 42,914,362.28 is: 64,371,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,341,923.40 : 137,012,885.10 = 42,914,362.28 : x
  2. Step 2: Convert to fraction form
    91,341,923.40/137,012,885.10 = 42,914,362.28/x
  3. Step 3: Cross multiply
    91,341,923.40x = 137,012,885.10 × 42,914,362.28
  4. Step 4: Simplify right side
    91,341,923.40x = 5,879,820,587,524,349
  5. Step 5: Solve for x
    x = 5,879,820,587,524,349/91,341,923.40
  6. Step 6: Final answer
    x = 64,371,543.41

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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.