Home / 159,445,407.95-220,034,661.18-86,106,549.95

Finding the Fourth Proportional to 159,445,407.95, 220,034,661.18 and 86,106,549.95

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Solution

The fourth proportional to 159,445,407.95, 220,034,661.18 and 86,106,549.95 is: 118,827,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,407.95 : 220,034,661.18 = 86,106,549.95 : x
  2. Step 2: Convert to fraction form
    159,445,407.95/220,034,661.18 = 86,106,549.95/x
  3. Step 3: Cross multiply
    159,445,407.95x = 220,034,661.18 × 86,106,549.95
  4. Step 4: Simplify right side
    159,445,407.95x = 18,946,425,543,674,852
  5. Step 5: Solve for x
    x = 18,946,425,543,674,852/159,445,407.95
  6. Step 6: Final answer
    x = 118,827,037.97

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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.