Home / 99,287,501,047.20-148,931,251,570.80-86,890,045,399.20

Finding the Fourth Proportional to 99,287,501,047.20, 148,931,251,570.80 and 86,890,045,399.20

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Solution

The fourth proportional to 99,287,501,047.20, 148,931,251,570.80 and 86,890,045,399.20 is: 130,335,068,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,287,501,047.20 : 148,931,251,570.80 = 86,890,045,399.20 : x
  2. Step 2: Convert to fraction form
    99,287,501,047.20/148,931,251,570.80 = 86,890,045,399.20/x
  3. Step 3: Cross multiply
    99,287,501,047.20x = 148,931,251,570.80 × 86,890,045,399.20
  4. Step 4: Simplify right side
    99,287,501,047.20x = 12,940,643,210,346,486,562,816
  5. Step 5: Solve for x
    x = 12,940,643,210,346,486,562,816/99,287,501,047.20
  6. Step 6: Final answer
    x = 130,335,068,098.80

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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.