Home / 90,268,513,686.48-135,439,886,410.80-39,877,352,468.22

Finding the Fourth Proportional to 90,268,513,686.48, 135,439,886,410.80 and 39,877,352,468.22

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Solution

The fourth proportional to 90,268,513,686.48, 135,439,886,410.80 and 39,877,352,468.22 is: 59,832,425,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,268,513,686.48 : 135,439,886,410.80 = 39,877,352,468.22 : x
  2. Step 2: Convert to fraction form
    90,268,513,686.48/135,439,886,410.80 = 39,877,352,468.22/x
  3. Step 3: Cross multiply
    90,268,513,686.48x = 135,439,886,410.80 × 39,877,352,468.22
  4. Step 4: Simplify right side
    90,268,513,686.48x = 5,400,984,088,658,474,696,704
  5. Step 5: Solve for x
    x = 5,400,984,088,658,474,696,704/90,268,513,686.48
  6. Step 6: Final answer
    x = 59,832,425,151.23

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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.