Home / 162,478,547.56-243,758,159.34-80,635,836.52

Finding the Fourth Proportional to 162,478,547.56, 243,758,159.34 and 80,635,836.52

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Solution

The fourth proportional to 162,478,547.56, 243,758,159.34 and 80,635,836.52 is: 120,973,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,478,547.56 : 243,758,159.34 = 80,635,836.52 : x
  2. Step 2: Convert to fraction form
    162,478,547.56/243,758,159.34 = 80,635,836.52/x
  3. Step 3: Cross multiply
    162,478,547.56x = 243,758,159.34 × 80,635,836.52
  4. Step 4: Simplify right side
    162,478,547.56x = 19,655,643,086,956,352
  5. Step 5: Solve for x
    x = 19,655,643,086,956,352/162,478,547.56
  6. Step 6: Final answer
    x = 120,973,773.97

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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.