Home / 91,631,013.93-126,447,545.75-50,377,605.93

Finding the Fourth Proportional to 91,631,013.93, 126,447,545.75 and 50,377,605.93

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Solution

The fourth proportional to 91,631,013.93, 126,447,545.75 and 50,377,605.93 is: 69,519,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,013.93 : 126,447,545.75 = 50,377,605.93 : x
  2. Step 2: Convert to fraction form
    91,631,013.93/126,447,545.75 = 50,377,605.93/x
  3. Step 3: Cross multiply
    91,631,013.93x = 126,447,545.75 × 50,377,605.93
  4. Step 4: Simplify right side
    91,631,013.93x = 6,370,124,630,357,258
  5. Step 5: Solve for x
    x = 6,370,124,630,357,258/91,631,013.93
  6. Step 6: Final answer
    x = 69,519,307.46

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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.