Home / 93,421,429.56-128,919,075.02-51,604,594.88

Finding the Fourth Proportional to 93,421,429.56, 128,919,075.02 and 51,604,594.88

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Solution

The fourth proportional to 93,421,429.56, 128,919,075.02 and 51,604,594.88 is: 71,212,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421,429.56 : 128,919,075.02 = 51,604,594.88 : x
  2. Step 2: Convert to fraction form
    93,421,429.56/128,919,075.02 = 51,604,594.88/x
  3. Step 3: Cross multiply
    93,421,429.56x = 128,919,075.02 × 51,604,594.88
  4. Step 4: Simplify right side
    93,421,429.56x = 6,652,816,638,711,428
  5. Step 5: Solve for x
    x = 6,652,816,638,711,428/93,421,429.56
  6. Step 6: Final answer
    x = 71,212,961.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.