Home / 160,044,539.16-220,861,688.14-86,705,681.16

Finding the Fourth Proportional to 160,044,539.16, 220,861,688.14 and 86,705,681.16

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Solution

The fourth proportional to 160,044,539.16, 220,861,688.14 and 86,705,681.16 is: 119,653,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,044,539.16 : 220,861,688.14 = 86,705,681.16 : x
  2. Step 2: Convert to fraction form
    160,044,539.16/220,861,688.14 = 86,705,681.16/x
  3. Step 3: Cross multiply
    160,044,539.16x = 220,861,688.14 × 86,705,681.16
  4. Step 4: Simplify right side
    160,044,539.16x = 19,149,963,111,221,884
  5. Step 5: Solve for x
    x = 19,149,963,111,221,884/160,044,539.16
  6. Step 6: Final answer
    x = 119,653,961.41

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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.