Home / 144,828,001.20-217,242,001.80-42,602,372.40

Finding the Fourth Proportional to 144,828,001.20, 217,242,001.80 and 42,602,372.40

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Solution

The fourth proportional to 144,828,001.20, 217,242,001.80 and 42,602,372.40 is: 63,903,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,001.20 : 217,242,001.80 = 42,602,372.40 : x
  2. Step 2: Convert to fraction form
    144,828,001.20/217,242,001.80 = 42,602,372.40/x
  3. Step 3: Cross multiply
    144,828,001.20x = 217,242,001.80 × 42,602,372.40
  4. Step 4: Simplify right side
    144,828,001.20x = 9,255,024,661,605,070
  5. Step 5: Solve for x
    x = 9,255,024,661,605,070/144,828,001.20
  6. Step 6: Final answer
    x = 63,903,558.60

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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.