Home / 129,031,998.80-193,547,998.20-64,534,744.40

Finding the Fourth Proportional to 129,031,998.80, 193,547,998.20 and 64,534,744.40

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Solution

The fourth proportional to 129,031,998.80, 193,547,998.20 and 64,534,744.40 is: 96,802,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,031,998.80 : 193,547,998.20 = 64,534,744.40 : x
  2. Step 2: Convert to fraction form
    129,031,998.80/193,547,998.20 = 64,534,744.40/x
  3. Step 3: Cross multiply
    129,031,998.80x = 193,547,998.20 × 64,534,744.40
  4. Step 4: Simplify right side
    129,031,998.80x = 12,490,570,592,968,660
  5. Step 5: Solve for x
    x = 12,490,570,592,968,660/129,031,998.80
  6. Step 6: Final answer
    x = 96,802,116.60

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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.