Home / 144,810,681.60-217,158,285.60-47,739,374.40

Finding the Fourth Proportional to 144,810,681.60, 217,158,285.60 and 47,739,374.40

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Solution

The fourth proportional to 144,810,681.60, 217,158,285.60 and 47,739,374.40 is: 71,590,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,810,681.60 : 217,158,285.60 = 47,739,374.40 : x
  2. Step 2: Convert to fraction form
    144,810,681.60/217,158,285.60 = 47,739,374.40/x
  3. Step 3: Cross multiply
    144,810,681.60x = 217,158,285.60 × 47,739,374.40
  4. Step 4: Simplify right side
    144,810,681.60x = 10,367,000,700,320,528
  5. Step 5: Solve for x
    x = 10,367,000,700,320,528/144,810,681.60
  6. Step 6: Final answer
    x = 71,590,027.65

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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.