Home / 20,837,803,547.10-31,256,705,320.65-12,021,835,086.30

Finding the Fourth Proportional to 20,837,803,547.10, 31,256,705,320.65 and 12,021,835,086.30

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Solution

The fourth proportional to 20,837,803,547.10, 31,256,705,320.65 and 12,021,835,086.30 is: 18,032,752,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,803,547.10 : 31,256,705,320.65 = 12,021,835,086.30 : x
  2. Step 2: Convert to fraction form
    20,837,803,547.10/31,256,705,320.65 = 12,021,835,086.30/x
  3. Step 3: Cross multiply
    20,837,803,547.10x = 31,256,705,320.65 × 12,021,835,086.30
  4. Step 4: Simplify right side
    20,837,803,547.10x = 375,762,956,705,930,084,352
  5. Step 5: Solve for x
    x = 375,762,956,705,930,084,352/20,837,803,547.10
  6. Step 6: Final answer
    x = 18,032,752,629.45

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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.