Home / 153,005,603.04-211,144,970.16-83,390,496.48

Finding the Fourth Proportional to 153,005,603.04, 211,144,970.16 and 83,390,496.48

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Solution

The fourth proportional to 153,005,603.04, 211,144,970.16 and 83,390,496.48 is: 115,077,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,005,603.04 : 211,144,970.16 = 83,390,496.48 : x
  2. Step 2: Convert to fraction form
    153,005,603.04/211,144,970.16 = 83,390,496.48/x
  3. Step 3: Cross multiply
    153,005,603.04x = 211,144,970.16 × 83,390,496.48
  4. Step 4: Simplify right side
    153,005,603.04x = 17,607,483,890,897,186
  5. Step 5: Solve for x
    x = 17,607,483,890,897,186/153,005,603.04
  6. Step 6: Final answer
    x = 115,077,379.79

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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.