Home / 165,478,065.40-248,217,098.10-139,968,897.40

Finding the Fourth Proportional to 165,478,065.40, 248,217,098.10 and 139,968,897.40

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Solution

The fourth proportional to 165,478,065.40, 248,217,098.10 and 139,968,897.40 is: 209,953,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,478,065.40 : 248,217,098.10 = 139,968,897.40 : x
  2. Step 2: Convert to fraction form
    165,478,065.40/248,217,098.10 = 139,968,897.40/x
  3. Step 3: Cross multiply
    165,478,065.40x = 248,217,098.10 × 139,968,897.40
  4. Step 4: Simplify right side
    165,478,065.40x = 34,742,673,536,884,636
  5. Step 5: Solve for x
    x = 34,742,673,536,884,636/165,478,065.40
  6. Step 6: Final answer
    x = 209,953,346.10

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1.5x scale

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.