Home / 84,265,719,041.72-126,398,326,607.30-21,380,896,001.72

Finding the Fourth Proportional to 84,265,719,041.72, 126,398,326,607.30 and 21,380,896,001.72

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Solution

The fourth proportional to 84,265,719,041.72, 126,398,326,607.30 and 21,380,896,001.72 is: 32,071,280,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,265,719,041.72 : 126,398,326,607.30 = 21,380,896,001.72 : x
  2. Step 2: Convert to fraction form
    84,265,719,041.72/126,398,326,607.30 = 21,380,896,001.72/x
  3. Step 3: Cross multiply
    84,265,719,041.72x = 126,398,326,607.30 × 21,380,896,001.72
  4. Step 4: Simplify right side
    84,265,719,041.72x = 2,702,509,475,982,119,272,448
  5. Step 5: Solve for x
    x = 2,702,509,475,982,119,272,448/84,265,719,041.72
  6. Step 6: Final answer
    x = 32,071,280,073.50

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1.5x scale

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.