Home / 131,602,397.04-181,616,981.52-72,865,061.70

Finding the Fourth Proportional to 131,602,397.04, 181,616,981.52 and 72,865,061.70

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Solution

The fourth proportional to 131,602,397.04, 181,616,981.52 and 72,865,061.70 is: 100,556,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,602,397.04 : 181,616,981.52 = 72,865,061.70 : x
  2. Step 2: Convert to fraction form
    131,602,397.04/181,616,981.52 = 72,865,061.70/x
  3. Step 3: Cross multiply
    131,602,397.04x = 181,616,981.52 × 72,865,061.70
  4. Step 4: Simplify right side
    131,602,397.04x = 13,233,532,564,222,562
  5. Step 5: Solve for x
    x = 13,233,532,564,222,562/131,602,397.04
  6. Step 6: Final answer
    x = 100,556,926.48

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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.