Home / 85,834,871.80-128,752,307.70-37,335,959.80

Finding the Fourth Proportional to 85,834,871.80, 128,752,307.70 and 37,335,959.80

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Solution

The fourth proportional to 85,834,871.80, 128,752,307.70 and 37,335,959.80 is: 56,003,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,834,871.80 : 128,752,307.70 = 37,335,959.80 : x
  2. Step 2: Convert to fraction form
    85,834,871.80/128,752,307.70 = 37,335,959.80/x
  3. Step 3: Cross multiply
    85,834,871.80x = 128,752,307.70 × 37,335,959.80
  4. Step 4: Simplify right side
    85,834,871.80x = 4,807,090,984,444,430
  5. Step 5: Solve for x
    x = 4,807,090,984,444,430/85,834,871.80
  6. Step 6: Final answer
    x = 56,003,939.70

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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.