Home / 105,684,030.40-158,526,045.60-48,288,402.40

Finding the Fourth Proportional to 105,684,030.40, 158,526,045.60 and 48,288,402.40

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Solution

The fourth proportional to 105,684,030.40, 158,526,045.60 and 48,288,402.40 is: 72,432,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,684,030.40 : 158,526,045.60 = 48,288,402.40 : x
  2. Step 2: Convert to fraction form
    105,684,030.40/158,526,045.60 = 48,288,402.40/x
  3. Step 3: Cross multiply
    105,684,030.40x = 158,526,045.60 × 48,288,402.40
  4. Step 4: Simplify right side
    105,684,030.40x = 7,654,969,480,813,549
  5. Step 5: Solve for x
    x = 7,654,969,480,813,549/105,684,030.40
  6. Step 6: Final answer
    x = 72,432,603.60

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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.