Home / 99,195,590.40-148,793,385.60-50,657,312.40

Finding the Fourth Proportional to 99,195,590.40, 148,793,385.60 and 50,657,312.40

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Solution

The fourth proportional to 99,195,590.40, 148,793,385.60 and 50,657,312.40 is: 75,985,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,195,590.40 : 148,793,385.60 = 50,657,312.40 : x
  2. Step 2: Convert to fraction form
    99,195,590.40/148,793,385.60 = 50,657,312.40/x
  3. Step 3: Cross multiply
    99,195,590.40x = 148,793,385.60 × 50,657,312.40
  4. Step 4: Simplify right side
    99,195,590.40x = 7,537,473,017,392,861
  5. Step 5: Solve for x
    x = 7,537,473,017,392,861/99,195,590.40
  6. Step 6: Final answer
    x = 75,985,968.60

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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.