Home / 130,390,034.40-179,937,195.12-70,850,809.44

Finding the Fourth Proportional to 130,390,034.40, 179,937,195.12 and 70,850,809.44

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Solution

The fourth proportional to 130,390,034.40, 179,937,195.12 and 70,850,809.44 is: 97,773,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,390,034.40 : 179,937,195.12 = 70,850,809.44 : x
  2. Step 2: Convert to fraction form
    130,390,034.40/179,937,195.12 = 70,850,809.44/x
  3. Step 3: Cross multiply
    130,390,034.40x = 179,937,195.12 × 70,850,809.44
  4. Step 4: Simplify right side
    130,390,034.40x = 12,748,695,922,615,218
  5. Step 5: Solve for x
    x = 12,748,695,922,615,218/130,390,034.40
  6. Step 6: Final answer
    x = 97,773,545.20

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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.