Home / 138,528,848.71-207,798,587.61-61,852,541.23

Finding the Fourth Proportional to 138,528,848.71, 207,798,587.61 and 61,852,541.23

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Solution

The fourth proportional to 138,528,848.71, 207,798,587.61 and 61,852,541.23 is: 92,781,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,528,848.71 : 207,798,587.61 = 61,852,541.23 : x
  2. Step 2: Convert to fraction form
    138,528,848.71/207,798,587.61 = 61,852,541.23/x
  3. Step 3: Cross multiply
    138,528,848.71x = 207,798,587.61 × 61,852,541.23
  4. Step 4: Simplify right side
    138,528,848.71x = 12,852,870,707,683,292
  5. Step 5: Solve for x
    x = 12,852,870,707,683,292/138,528,848.71
  6. Step 6: Final answer
    x = 92,781,184.77

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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.