Home / 118,623,715.04-163,688,264.40-65,699,036.28

Finding the Fourth Proportional to 118,623,715.04, 163,688,264.40 and 65,699,036.28

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Solution

The fourth proportional to 118,623,715.04, 163,688,264.40 and 65,699,036.28 is: 90,657,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,623,715.04 : 163,688,264.40 = 65,699,036.28 : x
  2. Step 2: Convert to fraction form
    118,623,715.04/163,688,264.40 = 65,699,036.28/x
  3. Step 3: Cross multiply
    118,623,715.04x = 163,688,264.40 × 65,699,036.28
  4. Step 4: Simplify right side
    118,623,715.04x = 10,754,161,221,425,834
  5. Step 5: Solve for x
    x = 10,754,161,221,425,834/118,623,715.04
  6. Step 6: Final answer
    x = 90,657,767.87

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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.