Home / 156,776,809.22-216,299,041.37-88,874,642.67

Finding the Fourth Proportional to 156,776,809.22, 216,299,041.37 and 88,874,642.67

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Solution

The fourth proportional to 156,776,809.22, 216,299,041.37 and 88,874,642.67 is: 122,616,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,776,809.22 : 216,299,041.37 = 88,874,642.67 : x
  2. Step 2: Convert to fraction form
    156,776,809.22/216,299,041.37 = 88,874,642.67/x
  3. Step 3: Cross multiply
    156,776,809.22x = 216,299,041.37 × 88,874,642.67
  4. Step 4: Simplify right side
    156,776,809.22x = 19,223,500,011,308,316
  5. Step 5: Solve for x
    x = 19,223,500,011,308,316/156,776,809.22
  6. Step 6: Final answer
    x = 122,616,987.21

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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.