Home / 73,872,001.40-110,808,002.10-65,368,945.40

Finding the Fourth Proportional to 73,872,001.40, 110,808,002.10 and 65,368,945.40

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Solution

The fourth proportional to 73,872,001.40, 110,808,002.10 and 65,368,945.40 is: 98,053,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,001.40 : 110,808,002.10 = 65,368,945.40 : x
  2. Step 2: Convert to fraction form
    73,872,001.40/110,808,002.10 = 65,368,945.40/x
  3. Step 3: Cross multiply
    73,872,001.40x = 110,808,002.10 × 65,368,945.40
  4. Step 4: Simplify right side
    73,872,001.40x = 7,243,402,239,157,985
  5. Step 5: Solve for x
    x = 7,243,402,239,157,985/73,872,001.40
  6. Step 6: Final answer
    x = 98,053,418.10

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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.