Home / 66,438,145,513.20-99,657,218,269.80-63,499,489,359.60

Finding the Fourth Proportional to 66,438,145,513.20, 99,657,218,269.80 and 63,499,489,359.60

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Solution

The fourth proportional to 66,438,145,513.20, 99,657,218,269.80 and 63,499,489,359.60 is: 95,249,234,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,145,513.20 : 99,657,218,269.80 = 63,499,489,359.60 : x
  2. Step 2: Convert to fraction form
    66,438,145,513.20/99,657,218,269.80 = 63,499,489,359.60/x
  3. Step 3: Cross multiply
    66,438,145,513.20x = 99,657,218,269.80 × 63,499,489,359.60
  4. Step 4: Simplify right side
    66,438,145,513.20x = 6,328,182,471,130,499,514,368
  5. Step 5: Solve for x
    x = 6,328,182,471,130,499,514,368/66,438,145,513.20
  6. Step 6: Final answer
    x = 95,249,234,039.40

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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.