Home / 47,502,002.40-71,169,022.80-42,127,231.20

Finding the Fourth Proportional to 47,502,002.40, 71,169,022.80 and 42,127,231.20

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Solution

The fourth proportional to 47,502,002.40, 71,169,022.80 and 42,127,231.20 is: 63,116,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,502,002.40 : 71,169,022.80 = 42,127,231.20 : x
  2. Step 2: Convert to fraction form
    47,502,002.40/71,169,022.80 = 42,127,231.20/x
  3. Step 3: Cross multiply
    47,502,002.40x = 71,169,022.80 × 42,127,231.20
  4. Step 4: Simplify right side
    47,502,002.40x = 2,998,153,877,773,671.50
  5. Step 5: Solve for x
    x = 2,998,153,877,773,671.50/47,502,002.40
  6. Step 6: Final answer
    x = 63,116,368.29

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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.