Home / 91,934,438.40-137,901,657.60-28,109,030.40

Finding the Fourth Proportional to 91,934,438.40, 137,901,657.60 and 28,109,030.40

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Solution

The fourth proportional to 91,934,438.40, 137,901,657.60 and 28,109,030.40 is: 42,163,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934,438.40 : 137,901,657.60 = 28,109,030.40 : x
  2. Step 2: Convert to fraction form
    91,934,438.40/137,901,657.60 = 28,109,030.40/x
  3. Step 3: Cross multiply
    91,934,438.40x = 137,901,657.60 × 28,109,030.40
  4. Step 4: Simplify right side
    91,934,438.40x = 3,876,281,885,688,790.50
  5. Step 5: Solve for x
    x = 3,876,281,885,688,790.50/91,934,438.40
  6. Step 6: Final answer
    x = 42,163,545.60

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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.