Home / 30,841,613,904.76-42,545,763,293.17-20,142,997,101.02

Finding the Fourth Proportional to 30,841,613,904.76, 42,545,763,293.17 and 20,142,997,101.02

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Solution

The fourth proportional to 30,841,613,904.76, 42,545,763,293.17 and 20,142,997,101.02 is: 27,787,105,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841,613,904.76 : 42,545,763,293.17 = 20,142,997,101.02 : x
  2. Step 2: Convert to fraction form
    30,841,613,904.76/42,545,763,293.17 = 20,142,997,101.02/x
  3. Step 3: Cross multiply
    30,841,613,904.76x = 42,545,763,293.17 × 20,142,997,101.02
  4. Step 4: Simplify right side
    30,841,613,904.76x = 856,999,186,675,048,906,752
  5. Step 5: Solve for x
    x = 856,999,186,675,048,906,752/30,841,613,904.76
  6. Step 6: Final answer
    x = 27,787,105,737.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.