Home / 98,021,994.18-147,048,962.84-28,941,780.77

Finding the Fourth Proportional to 98,021,994.18, 147,048,962.84 and 28,941,780.77

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Solution

The fourth proportional to 98,021,994.18, 147,048,962.84 and 28,941,780.77 is: 43,417,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,021,994.18 : 147,048,962.84 = 28,941,780.77 : x
  2. Step 2: Convert to fraction form
    98,021,994.18/147,048,962.84 = 28,941,780.77/x
  3. Step 3: Cross multiply
    98,021,994.18x = 147,048,962.84 × 28,941,780.77
  4. Step 4: Simplify right side
    98,021,994.18x = 4,255,858,845,411,133.50
  5. Step 5: Solve for x
    x = 4,255,858,845,411,133.50/98,021,994.18
  6. Step 6: Final answer
    x = 43,417,386.89

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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.