Home / 156,727,550,690.11-216,280,629,980.36-90,736,508,307.22

Finding the Fourth Proportional to 156,727,550,690.11, 216,280,629,980.36 and 90,736,508,307.22

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Solution

The fourth proportional to 156,727,550,690.11, 216,280,629,980.36 and 90,736,508,307.22 is: 125,214,418,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727,550,690.11 : 216,280,629,980.36 = 90,736,508,307.22 : x
  2. Step 2: Convert to fraction form
    156,727,550,690.11/216,280,629,980.36 = 90,736,508,307.22/x
  3. Step 3: Cross multiply
    156,727,550,690.11x = 216,280,629,980.36 × 90,736,508,307.22
  4. Step 4: Simplify right side
    156,727,550,690.11x = 19,624,549,178,903,057,399,808
  5. Step 5: Solve for x
    x = 19,624,549,178,903,057,399,808/156,727,550,690.11
  6. Step 6: Final answer
    x = 125,214,418,859.30

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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.