Home / 130,408,643.20-195,488,548.80-48,505,590.40

Finding the Fourth Proportional to 130,408,643.20, 195,488,548.80 and 48,505,590.40

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Solution

The fourth proportional to 130,408,643.20, 195,488,548.80 and 48,505,590.40 is: 72,712,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,643.20 : 195,488,548.80 = 48,505,590.40 : x
  2. Step 2: Convert to fraction form
    130,408,643.20/195,488,548.80 = 48,505,590.40/x
  3. Step 3: Cross multiply
    130,408,643.20x = 195,488,548.80 × 48,505,590.40
  4. Step 4: Simplify right side
    130,408,643.20x = 9,482,287,475,983,212
  5. Step 5: Solve for x
    x = 9,482,287,475,983,212/130,408,643.20
  6. Step 6: Final answer
    x = 72,712,108.98

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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.