Home / 151,186,477.61-208,701,830.47-101,655,561.32

Finding the Fourth Proportional to 151,186,477.61, 208,701,830.47 and 101,655,561.32

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Solution

The fourth proportional to 151,186,477.61, 208,701,830.47 and 101,655,561.32 is: 140,328,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,186,477.61 : 208,701,830.47 = 101,655,561.32 : x
  2. Step 2: Convert to fraction form
    151,186,477.61/208,701,830.47 = 101,655,561.32/x
  3. Step 3: Cross multiply
    151,186,477.61x = 208,701,830.47 × 101,655,561.32
  4. Step 4: Simplify right side
    151,186,477.61x = 21,215,701,724,939,328
  5. Step 5: Solve for x
    x = 21,215,701,724,939,328/151,186,477.61
  6. Step 6: Final answer
    x = 140,328,037.67

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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.