Home / 79,248,001.10-118,872,001.65-51,506,780.90

Finding the Fourth Proportional to 79,248,001.10, 118,872,001.65 and 51,506,780.90

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Solution

The fourth proportional to 79,248,001.10, 118,872,001.65 and 51,506,780.90 is: 77,260,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248,001.10 : 118,872,001.65 = 51,506,780.90 : x
  2. Step 2: Convert to fraction form
    79,248,001.10/118,872,001.65 = 51,506,780.90/x
  3. Step 3: Cross multiply
    79,248,001.10x = 118,872,001.65 × 51,506,780.90
  4. Step 4: Simplify right side
    79,248,001.10x = 6,122,714,144,130,989
  5. Step 5: Solve for x
    x = 6,122,714,144,130,989/79,248,001.10
  6. Step 6: Final answer
    x = 77,260,171.35

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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.