Home / 160,349,783.85-221,283,308.79-87,010,925.85

Finding the Fourth Proportional to 160,349,783.85, 221,283,308.79 and 87,010,925.85

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Solution

The fourth proportional to 160,349,783.85, 221,283,308.79 and 87,010,925.85 is: 120,075,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,349,783.85 : 221,283,308.79 = 87,010,925.85 : x
  2. Step 2: Convert to fraction form
    160,349,783.85/221,283,308.79 = 87,010,925.85/x
  3. Step 3: Cross multiply
    160,349,783.85x = 221,283,308.79 × 87,010,925.85
  4. Step 4: Simplify right side
    160,349,783.85x = 19,254,065,572,969,340
  5. Step 5: Solve for x
    x = 19,254,065,572,969,340/160,349,783.85
  6. Step 6: Final answer
    x = 120,075,407.09

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1.5x scale

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.