Home / 144,510,748.55-199,426,746.26-78,432,038.90

Finding the Fourth Proportional to 144,510,748.55, 199,426,746.26 and 78,432,038.90

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Solution

The fourth proportional to 144,510,748.55, 199,426,746.26 and 78,432,038.90 is: 108,237,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,510,748.55 : 199,426,746.26 = 78,432,038.90 : x
  2. Step 2: Convert to fraction form
    144,510,748.55/199,426,746.26 = 78,432,038.90/x
  3. Step 3: Cross multiply
    144,510,748.55x = 199,426,746.26 × 78,432,038.90
  4. Step 4: Simplify right side
    144,510,748.55x = 15,641,446,318,975,454
  5. Step 5: Solve for x
    x = 15,641,446,318,975,454/144,510,748.55
  6. Step 6: Final answer
    x = 108,237,252.08

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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.