Home / 65,220,009.20-97,830,013.80-43,720,924.40

Finding the Fourth Proportional to 65,220,009.20, 97,830,013.80 and 43,720,924.40

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Solution

The fourth proportional to 65,220,009.20, 97,830,013.80 and 43,720,924.40 is: 65,581,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,220,009.20 : 97,830,013.80 = 43,720,924.40 : x
  2. Step 2: Convert to fraction form
    65,220,009.20/97,830,013.80 = 43,720,924.40/x
  3. Step 3: Cross multiply
    65,220,009.20x = 97,830,013.80 × 43,720,924.40
  4. Step 4: Simplify right side
    65,220,009.20x = 4,277,218,637,400,756.50
  5. Step 5: Solve for x
    x = 4,277,218,637,400,756.50/65,220,009.20
  6. Step 6: Final answer
    x = 65,581,386.60

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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.